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The Celtic languages (
usually A convention is a set of agreed, stipulated, or generally accepted standards, norms, social norms, or criteria, often taking the form of a custom. In a social context, a convention may retain the character of an "unwritten law" of custom (for ex ...
, but sometimes ) are a group of related languages descended from
Proto-Celtic Proto-Celtic, or Common Celtic, is the ancestral proto-language of all known Celtic languages, and a descendant of Proto-Indo-European. It is not attested in writing but has been partly reconstructed through the comparative method. Proto-Celt ...
. They form a branch of the
Indo-European The Indo-European languages are a language family native to the overwhelming majority of Europe, the Iranian plateau, and the northern Indian subcontinent. Some European languages of this family, English, French, Portuguese, Russian, Du ...
language family. The term "Celtic" was first used to describe this language group by
Edward Lhuyd Edward Lhuyd FRS (; occasionally written Llwyd in line with modern Welsh orthography, 1660 – 30 June 1709) was a Welsh naturalist, botanist, linguist, geographer and antiquary. He is also named in a Latinate form as Eduardus Luidius. Life ...
in 1707, following
Paul-Yves Pezron Paul-Yves Pezron (1639, Hennebont, – 9 October 1706, Brie) was a seventeenth-century Cistercian brother from Brittany, best known for his 1703 publication of a study on the common origin of the Bretons and the Welsh, ''Antiquité de la nation, e ...
, who made the explicit link between the
Celts The Celts (, see pronunciation for different usages) or Celtic peoples () are. "CELTS location: Greater Europe time period: Second millennium B.C.E. to present ancestry: Celtic a collection of Indo-European peoples. "The Celts, an ancient ...
described by classical writers and the
Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peopl ...
and Breton languages. During the 1st millennium BC, Celtic languages were spoken across much of
Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
and central
Anatolia Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...
. Today, they are restricted to the northwestern fringe of Europe and a few diaspora communities. There are six living languages: the four continuously living languages Breton, Irish,
Scottish Gaelic Scottish Gaelic ( gd, Gàidhlig ), also known as Scots Gaelic and Gaelic, is a Goidelic language (in the Celtic branch of the Indo-European language family) native to the Gaels of Scotland. As a Goidelic language, Scottish Gaelic, as well as ...
and
Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peopl ...
, and the two revived languages Cornish and Manx. All are minority languages in their respective countries, though there are continuing efforts at revitalisation. Welsh is an official language in
Wales Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in ...
and Irish is an official language of
Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...
and of the
European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are located primarily in Europe, Europe. The union has a total area of ...
. Welsh is the only Celtic language not classified as
endangered An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and in ...
by
UNESCO The United Nations Educational, Scientific and Cultural Organization is a List of specialized agencies of the United Nations, specialized agency of the United Nations (UN) aimed at promoting world peace and security through international coope ...
. The Cornish and Manx languages went extinct in modern times. They have been the object of revivals and now each has several hundred second-language speakers. Irish, Manx and Scottish Gaelic form the
Goidelic languages The Goidelic or Gaelic languages ( ga, teangacha Gaelacha; gd, cànanan Goidhealach; gv, çhengaghyn Gaelgagh) form one of the two groups of Insular Celtic languages, the other being the Brittonic languages. Goidelic languages historically ...
, while Welsh, Cornish and Breton are Brittonic. All of these are
Insular Celtic languages Insular Celtic languages are the group of Celtic languages of Brittany, Great Britain, Ireland, and the Isle of Man. All surviving Celtic languages are in the Insular group, including Breton, which is spoken on continental Europe in Brittany ...
, since Breton, the only living Celtic language spoken in continental Europe, is descended from the language of settlers from Britain. There are a number of extinct but attested
continental Celtic languages The Continental Celtic languages are the now-extinct group of the Celtic languages that were spoken on the continent of Europe and in central Anatolia, as distinguished from the Insular Celtic languages of the British Isles and Brittany. ''Conti ...
, such as Celtiberian, Galatian and
Gaulish Gaulish was an ancient Celtic language spoken in parts of Continental Europe before and during the period of the Roman Empire. In the narrow sense, Gaulish was the language of the Celts of Gaul (now France, Luxembourg, Belgium, most of Switze ...
. Beyond that there is no agreement on the subdivisions of the Celtic language family. They may be divided into
P-Celtic The Gallo-Brittonic languages, also known as the P-Celtic languages, are a subdivision of the Celtic languages of Ancient Gaul (both '' celtica'' and '' belgica'') and Celtic Britain, which share certain features. Besides common linguistic i ...
and Q-Celtic. The Celtic languages have a rich literary tradition. The earliest specimens of written Celtic are
Lepontic Lepontic is an ancient Alpine Celtic languageJohn T. Koch (ed.) ''Celtic culture: a historical encyclopedia'' ABC-CLIO (2005) that was spoken in parts of Rhaetia and Cisalpine Gaul (now Northern Italy) between 550 and 100 BC. Lepontic is att ...
inscriptions from the 6th century BC in the Alps. Early Continental inscriptions used Italic and Paleohispanic scripts. Between the 4th and 8th centuries, Irish and
Pictish Pictish is the extinct Brittonic language spoken by the Picts, the people of eastern and northern Scotland from Late Antiquity to the Early Middle Ages. Virtually no direct attestations of Pictish remain, short of a limited number of geographica ...
were occasionally written in an original script, Ogham, but
Latin script The Latin script, also known as Roman script, is an alphabetic writing system based on the letters of the classical Latin alphabet, derived from a form of the Greek alphabet which was in use in the ancient Greek city of Cumae, in southern ...
came to be used for all Celtic languages. Welsh has had a continuous literary tradition from the 6th century AD.


Living languages

SIL Ethnologue ''Ethnologue: Languages of the World'' (stylized as ''Ethnoloɠue'') is an annual reference publication in print and online that provides statistics and other information on the living languages of the world. It is the world's most comprehensi ...
lists six living Celtic languages, of which four have retained a substantial number of native speakers. These are the
Goidelic languages The Goidelic or Gaelic languages ( ga, teangacha Gaelacha; gd, cànanan Goidhealach; gv, çhengaghyn Gaelgagh) form one of the two groups of Insular Celtic languages, the other being the Brittonic languages. Goidelic languages historically ...
( Irish and
Scottish Gaelic Scottish Gaelic ( gd, Gàidhlig ), also known as Scots Gaelic and Gaelic, is a Goidelic language (in the Celtic branch of the Indo-European language family) native to the Gaels of Scotland. As a Goidelic language, Scottish Gaelic, as well as ...
, both descended from
Middle Irish Middle Irish, sometimes called Middle Gaelic ( ga, An Mheán-Ghaeilge, gd, Meadhan-Ghàidhlig), is the Goidelic language which was spoken in Ireland, most of Scotland and the Isle of Man from AD; it is therefore a contemporary of late Old Engl ...
) and the
Brittonic languages The Brittonic languages (also Brythonic or British Celtic; cy, ieithoedd Brythonaidd/Prydeinig; kw, yethow brythonek/predennek; br, yezhoù predenek) form one of the two branches of the Insular Celtic language family; the other is Goidelic. ...
(
Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peopl ...
and Breton, both descended from
Common Brittonic Common Brittonic ( cy, Brythoneg; kw, Brythonek; br, Predeneg), also known as British, Common Brythonic, or Proto-Brittonic, was a Celtic language spoken in Britain and Brittany. It is a form of Insular Celtic, descended from Proto-Celtic, ...
). The other two, Cornish (Brittonic) and Manx (Goidelic), died out in modern times with their presumed last native speakers in 1777 and
1974 Major events in 1974 include the aftermath of the 1973 oil crisis and the resignation of United States President Richard Nixon following the Watergate scandal. In the Middle East, the aftermath of the 1973 Yom Kippur War determined politics; ...
respectively. For both these languages, however, revitalisation movements have led to the adoption of these languages by adults and children and produced some native speakers. Taken together, there were roughly one million native speakers of Celtic languages as of the 2000s. In 2010, there were more than 1.4 million speakers of Celtic languages.


Demographics


Mixed languages

*
Beurla Reagaird Beurla Reagaird (; previously also spelled ''Beurla Reagair'') is a nearly extinct, Scottish Gaelic-based cant used by the indigenous travelling community of the Highlands of Scotland, formerly often referred to by the disparaging name "tinker ...
, Highland travellers' language *
Shelta Shelta (; Irish: ''Seiltis'') is a language spoken by Rilantu Mincéirí (Irish Travellers), particularly in Ireland and the United Kingdom.McArthur, T. (ed.) ''The Oxford Companion to the English Language'' (1992) Oxford University Press ...
, based largely on Irish with influence from an undocumented source (some 86,000 speakers in 2009).


Classification

Celtic is divided into various branches: *
Lepontic Lepontic is an ancient Alpine Celtic languageJohn T. Koch (ed.) ''Celtic culture: a historical encyclopedia'' ABC-CLIO (2005) that was spoken in parts of Rhaetia and Cisalpine Gaul (now Northern Italy) between 550 and 100 BC. Lepontic is att ...
, the oldest attested Celtic language (from the 6th century BC). Anciently spoken in
Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
and in Northern-Central
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
. Coins with Lepontic inscriptions have been found in
Noricum Noricum () is the Latin name for the Celtic kingdom or federation of tribes that included most of modern Austria and part of Slovenia. In the first century AD, it became a province of the Roman Empire. Its borders were the Danube to the nor ...
and
Gallia Narbonensis Gallia Narbonensis (Latin for "Gaul of Narbonne", from its chief settlement) was a Roman province located in what is now Languedoc and Provence, in Southern France. It was also known as Provincia Nostra ("Our Province"), because it was th ...
. * Celtiberian, also called Eastern or Northeastern Hispano-Celtic, spoken in the ancient
Iberian Peninsula The Iberian Peninsula (), ** * Aragonese and Occitan: ''Peninsula Iberica'' ** ** * french: Péninsule Ibérique * mwl, Península Eibérica * eu, Iberiar penintsula also known as Iberia, is a peninsula in southwestern Europe, def ...
, in the eastern part of
Old Castile Old Castile ( es, Castilla la Vieja ) is a historic region of Spain, which had different definitions along the centuries. Its extension was formally defined in the 1833 territorial division of Spain as the sum of the following provinces: Sant ...
and south of
Aragon Aragon ( , ; Spanish and an, Aragón ; ca, Aragó ) is an autonomous community in Spain, coextensive with the medieval Kingdom of Aragon. In northeastern Spain, the Aragonese autonomous community comprises three provinces (from north to s ...
. Modern provinces: Segovia, Burgos, Soria, Guadalajara, Cuenca, Zaragoza and Teruel. The relationship of Celtiberian with
Gallaecian Gallaecian, or Northwestern Hispano-Celtic, is an extinct Celtic language of a Hispano-Celtic group. It was spoken by the Gallaeci at the beginning of the 1st millennium in the northwest corner of the Iberian Peninsula that became the Roman ...
, in northwest Iberia, is uncertain. *
Gallaecian Gallaecian, or Northwestern Hispano-Celtic, is an extinct Celtic language of a Hispano-Celtic group. It was spoken by the Gallaeci at the beginning of the 1st millennium in the northwest corner of the Iberian Peninsula that became the Roman ...
, also known as Western or Northwestern Hispano-Celtic, anciently spoken in the northwest of the peninsula (modern Northern Portugal,
Galicia Galicia may refer to: Geographic regions * Galicia (Spain), a region and autonomous community of northwestern Spain ** Gallaecia, a Roman province ** The post-Roman Kingdom of the Suebi, also called the Kingdom of Gallaecia ** The medieval King ...
,
Asturias Asturias (, ; ast, Asturies ), officially the Principality of Asturias ( es, Principado de Asturias; ast, Principáu d'Asturies; Galician-Asturian: ''Principao d'Asturias''), is an autonomous community in northwest Spain. It is coextensiv ...
and
Cantabria Cantabria (, also , , Cantabrian: ) is an autonomous community in northern Spain with Santander as its capital city. It is called a ''comunidad histórica'', a historic community, in its current Statute of Autonomy. It is bordered on the east ...
). *
Gaulish Gaulish was an ancient Celtic language spoken in parts of Continental Europe before and during the period of the Roman Empire. In the narrow sense, Gaulish was the language of the Celts of Gaul (now France, Luxembourg, Belgium, most of Switze ...
languages, including Galatian and possibly Noric. These were once spoken in a wide arc from
Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to ...
to
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula ...
. They are now all extinct. * Brittonic, spoken in
Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It ...
and
Brittany Brittany (; french: link=no, Bretagne ; br, Breizh, or ; Gallo: ''Bertaèyn'' ) is a peninsula, historical country and cultural area in the west of modern France, covering the western part of what was known as Armorica during the period ...
. Including the living languages Breton, Cornish, and
Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peopl ...
, and the lost
Cumbric Cumbric was a variety of the Common Brittonic language spoken during the Early Middle Ages in the '' Hen Ogledd'' or "Old North" in what is now the counties of Westmorland, Cumberland and northern Lancashire in Northern England and the south ...
and
Pictish Pictish is the extinct Brittonic language spoken by the Picts, the people of eastern and northern Scotland from Late Antiquity to the Early Middle Ages. Virtually no direct attestations of Pictish remain, short of a limited number of geographica ...
, though Pictish may be a sister language rather than a daughter of
Common Brittonic Common Brittonic ( cy, Brythoneg; kw, Brythonek; br, Predeneg), also known as British, Common Brythonic, or Proto-Brittonic, was a Celtic language spoken in Britain and Brittany. It is a form of Insular Celtic, descended from Proto-Celtic, ...
. Before the arrival of Scotti on the Isle of Man in the 9th century, there may have been a Brittonic language there. The theory of a Brittonic Ivernic language predating Goidelic speech in Ireland has been suggested, but is not widely accepted. *
Goidelic The Goidelic or Gaelic languages ( ga, teangacha Gaelacha; gd, cànanan Goidhealach; gv, çhengaghyn Gaelgagh) form one of the two groups of Insular Celtic languages, the other being the Brittonic languages. Goidelic languages historical ...
, including the extant Irish, Manx, and
Scottish Gaelic Scottish Gaelic ( gd, Gàidhlig ), also known as Scots Gaelic and Gaelic, is a Goidelic language (in the Celtic branch of the Indo-European language family) native to the Gaels of Scotland. As a Goidelic language, Scottish Gaelic, as well as ...
.


Continental/Insular Celtic and P/Q-Celtic hypotheses

Scholarly handling of Celtic languages has been contentious owing to scarceness of primary source data. Some scholars (such as Cowgill 1975; McCone 1991, 1992; and Schrijver 1995) distinguish
Continental Celtic The Continental Celtic languages are the now-extinct group of the Celtic languages that were spoken on the continent of Europe and in central Anatolia, as distinguished from the Insular Celtic languages of the British Isles and Brittany. ''Contine ...
and
Insular Celtic Insular Celtic languages are the group of Celtic languages of Brittany, Great Britain, Ireland, and the Isle of Man. All surviving Celtic languages are in the Insular group, including Breton, which is spoken on continental Europe in Brittany, ...
, arguing that the differences between the Goidelic and Brittonic languages arose after these split off from the Continental Celtic languages. Other scholars (such as Schmidt 1988) distinguish between P-Celtic and Q-Celtic languages based on their preferential use of these respective
consonant In articulatory phonetics, a consonant is a speech sound that is articulated with complete or partial closure of the vocal tract. Examples are and pronounced with the lips; and pronounced with the front of the tongue; and pronounced w ...
s in similar words. Most of the Gallic and Brittonic languages are P-Celtic, while the Goidelic and Celtiberian languages are Q-Celtic. The P-Celtic languages (also called
Gallo-Brittonic The Gallo-Brittonic languages, also known as the P-Celtic languages, are a subdivision of the Celtic languages of Ancient Gaul (both '' celtica'' and ''belgica'') and Celtic Britain, which share certain features. Besides common linguistic inno ...
) are sometimes seen (for example by Koch 1992) as a central innovating area as opposed to the more conservative peripheral Q-Celtic languages. The Breton language is Brittonic, not Gaulish, though there may be some input from the latter, having been introduced from Southwestern regions of Britain in the post-Roman era and having evolved into Breton. In the P/Q classification schema, the first language to split off from Proto-Celtic was Gaelic. It has characteristics that some scholars see as archaic, but others see as also being in the Brittonic languages (see Schmidt). In the Insular/Continental classification schema, the split of the former into Gaelic and Brittonic is seen as being late. The distinction of Celtic into these four sub-families most likely occurred about 900 BC according to Gray and Atkinson but, because of estimation uncertainty, it could be any time between 1200 and 800 BC. However, they only considered Gaelic and Brythonic. The controversial paper by Forster and Toth included Gaulish and put the break-up much earlier at 3200 BC ± 1500 years. They support the Insular Celtic hypothesis. The early Celts were commonly associated with the archaeological
Urnfield culture The Urnfield culture ( 1300 BC – 750 BC) was a late Bronze Age culture of Central Europe, often divided into several local cultures within a broader Urnfield tradition. The name comes from the custom of cremating the dead and p ...
, the
Hallstatt culture The Hallstatt culture was the predominant Western and Central European culture of Late Bronze Age (Hallstatt A, Hallstatt B) from the 12th to 8th centuries BC and Early Iron Age Europe (Hallstatt C, Hallstatt D) from the 8th to 6th centuries ...
, and the
La Tène culture The La Tène culture (; ) was a European Iron Age culture. It developed and flourished during the late Iron Age (from about 450 BC to the Roman conquest in the 1st century BC), succeeding the early Iron Age Hallstatt culture without any defi ...
, though the earlier assumption of association between language and culture is now considered to be less strong. There are legitimate scholarly arguments for both the Insular Celtic hypothesis and the P-/Q-Celtic hypothesis. Proponents of each schema dispute the accuracy and usefulness of the other's categories. However, since the 1970s the division into Insular and Continental Celtic has become the more widely held view (Cowgill 1975; McCone 1991, 1992; Schrijver 1995), but in the middle of the 1980s, the P-/Q-Celtic theory found new supporters (Lambert 1994), because of the inscription on the Larzac piece of lead (1983), the analysis of which reveals another common phonetical innovation ''-nm-'' > ''-nu'' (Gaelic ''ainm'' / Gaulish ''anuana'', Old Welsh ''enuein'' "names"), that is less accidental than only one. The discovery of a third common innovation would allow the specialists to come to the conclusion of a
Gallo-Brittonic The Gallo-Brittonic languages, also known as the P-Celtic languages, are a subdivision of the Celtic languages of Ancient Gaul (both '' celtica'' and ''belgica'') and Celtic Britain, which share certain features. Besides common linguistic inno ...
dialect (Schmidt 1986; Fleuriot 1986). The interpretation of this and further evidence is still quite contested, and the main argument for Insular Celtic is connected with the development of verbal morphology and the syntax in Irish and British Celtic, which Schumacher regards as convincing, while he considers the P-Celtic/Q-Celtic division unimportant and treats Gallo-Brittonic as an outdated theory. Stifter affirms that the Gallo-Brittonic view is "out of favour" in the scholarly community as of 2008 and the Insular Celtic hypothesis "widely accepted". When referring only to the modern Celtic languages, since no Continental Celtic language has living descendants, "Q-Celtic" is equivalent to "Goidelic" and "P-Celtic" is equivalent to "Brittonic". How the family tree of the Celtic languages is ordered depends on which hypothesis is used: "Insular Celtic hypothesis" *
Proto-Celtic Proto-Celtic, or Common Celtic, is the ancestral proto-language of all known Celtic languages, and a descendant of Proto-Indo-European. It is not attested in writing but has been partly reconstructed through the comparative method. Proto-Celt ...
**
Continental Celtic The Continental Celtic languages are the now-extinct group of the Celtic languages that were spoken on the continent of Europe and in central Anatolia, as distinguished from the Insular Celtic languages of the British Isles and Brittany. ''Contine ...
† *** Celtiberian † ***
Gallaecian Gallaecian, or Northwestern Hispano-Celtic, is an extinct Celtic language of a Hispano-Celtic group. It was spoken by the Gallaeci at the beginning of the 1st millennium in the northwest corner of the Iberian Peninsula that became the Roman ...
† ***
Gaulish Gaulish was an ancient Celtic language spoken in parts of Continental Europe before and during the period of the Roman Empire. In the narrow sense, Gaulish was the language of the Celts of Gaul (now France, Luxembourg, Belgium, most of Switze ...
† **
Insular Celtic Insular Celtic languages are the group of Celtic languages of Brittany, Great Britain, Ireland, and the Isle of Man. All surviving Celtic languages are in the Insular group, including Breton, which is spoken on continental Europe in Brittany, ...
*** Brittonic ***
Goidelic The Goidelic or Gaelic languages ( ga, teangacha Gaelacha; gd, cànanan Goidhealach; gv, çhengaghyn Gaelgagh) form one of the two groups of Insular Celtic languages, the other being the Brittonic languages. Goidelic languages historical ...
"P/Q-Celtic hypothesis" *
Proto-Celtic Proto-Celtic, or Common Celtic, is the ancestral proto-language of all known Celtic languages, and a descendant of Proto-Indo-European. It is not attested in writing but has been partly reconstructed through the comparative method. Proto-Celt ...
** Q-Celtic *** Celtiberian † ***
Gallaecian Gallaecian, or Northwestern Hispano-Celtic, is an extinct Celtic language of a Hispano-Celtic group. It was spoken by the Gallaeci at the beginning of the 1st millennium in the northwest corner of the Iberian Peninsula that became the Roman ...
† ***
Goidelic The Goidelic or Gaelic languages ( ga, teangacha Gaelacha; gd, cànanan Goidhealach; gv, çhengaghyn Gaelgagh) form one of the two groups of Insular Celtic languages, the other being the Brittonic languages. Goidelic languages historical ...
**
P-Celtic The Gallo-Brittonic languages, also known as the P-Celtic languages, are a subdivision of the Celtic languages of Ancient Gaul (both '' celtica'' and '' belgica'') and Celtic Britain, which share certain features. Besides common linguistic i ...
***
Gaulish Gaulish was an ancient Celtic language spoken in parts of Continental Europe before and during the period of the Roman Empire. In the narrow sense, Gaulish was the language of the Celts of Gaul (now France, Luxembourg, Belgium, most of Switze ...
† *** Brittonic


Eska (2010)

Eska evaluates the evidence as supporting the following tree, based on shared innovations, though it is not always clear that the innovations are not
areal feature In geolinguistics, areal features are elements shared by languages or dialects in a geographic area, particularly when such features are not descended from a proto-language, or, common ancestor language. That is, an areal feature is contrasted to ...
s. It seems likely that Celtiberian split off before Cisalpine Celtic, but the evidence for this is not robust. On the other hand, the unity of Gaulish, Goidelic, and Brittonic is reasonably secure. Schumacher (2004, p. 86) had already cautiously considered this grouping to be likely genetic, based, among others, on the shared reformation of the sentence-initial, fully inflecting relative pronoun ''*i̯os, *i̯ā, *i̯od'' into an uninflected enclitic particle. Eska sees
Cisalpine Gaulish The Celtic Cisalpine Gaulish inscriptions are frequently combined with the Lepontic inscriptions under the term ''Celtic language remains in northern Italy''. While it is possible that the Lepontii were autochthonous to Northern Italy since the ...
as more akin to Lepontic than to Transalpine Gaulish. * Celtic ** Celtiberian **
Gallaecian Gallaecian, or Northwestern Hispano-Celtic, is an extinct Celtic language of a Hispano-Celtic group. It was spoken by the Gallaeci at the beginning of the 1st millennium in the northwest corner of the Iberian Peninsula that became the Roman ...
** Nuclear Celtic? *** Cisalpine Celtic:
Lepontic Lepontic is an ancient Alpine Celtic languageJohn T. Koch (ed.) ''Celtic culture: a historical encyclopedia'' ABC-CLIO (2005) that was spoken in parts of Rhaetia and Cisalpine Gaul (now Northern Italy) between 550 and 100 BC. Lepontic is att ...
Cisalpine Gaulish The Celtic Cisalpine Gaulish inscriptions are frequently combined with the Lepontic inscriptions under the term ''Celtic language remains in northern Italy''. While it is possible that the Lepontii were autochthonous to Northern Italy since the ...
† *** Transalpine–Goidelic–Brittonic (secure) **** Transalpine Gaulish† ("Transalpine Celtic") ****
Insular Celtic Insular Celtic languages are the group of Celtic languages of Brittany, Great Britain, Ireland, and the Isle of Man. All surviving Celtic languages are in the Insular group, including Breton, which is spoken on continental Europe in Brittany, ...
*****
Goidelic The Goidelic or Gaelic languages ( ga, teangacha Gaelacha; gd, cànanan Goidhealach; gv, çhengaghyn Gaelgagh) form one of the two groups of Insular Celtic languages, the other being the Brittonic languages. Goidelic languages historical ...
***** Brittonic Eska considers a division of Transalpine–Goidelic–Brittonic into Transalpine and Insular Celtic to be most probable because of the greater number of innovations in Insular Celtic than in P-Celtic, and because the Insular Celtic languages were probably not in great enough contact for those innovations to spread as part of a
sprachbund A sprachbund (, lit. "language federation"), also known as a linguistic area, area of linguistic convergence, or diffusion area, is a group of languages that share areal features resulting from geographical proximity and language contact. The lan ...
. However, if they have another explanation (such as an SOV
substratum In linguistics, a stratum (Latin for "layer") or strate is a language that influences or is influenced by another through contact. A substratum or substrate is a language that has lower power or prestige than another, while a superstratum or sup ...
language), then it is possible that P-Celtic is a valid clade, and the top branching would be: * Transalpine–Goidelic–Brittonic (P-Celtic hypothesis) **
Goidelic The Goidelic or Gaelic languages ( ga, teangacha Gaelacha; gd, cànanan Goidhealach; gv, çhengaghyn Gaelgagh) form one of the two groups of Insular Celtic languages, the other being the Brittonic languages. Goidelic languages historical ...
**
Gallo-Brittonic The Gallo-Brittonic languages, also known as the P-Celtic languages, are a subdivision of the Celtic languages of Ancient Gaul (both '' celtica'' and ''belgica'') and Celtic Britain, which share certain features. Besides common linguistic inno ...
*** Transalpine Gaulish ("Transalpine Celtic") *** Brittonic


Italo-Celtic

Within the
Indo-European The Indo-European languages are a language family native to the overwhelming majority of Europe, the Iranian plateau, and the northern Indian subcontinent. Some European languages of this family, English, French, Portuguese, Russian, Du ...
family, the Celtic languages have sometimes been placed with the
Italic languages The Italic languages form a branch of the Indo-European language family, whose earliest known members were spoken on the Italian Peninsula in the first millennium BC. The most important of the ancient languages was Latin, the official languag ...
in a common
Italo-Celtic In historical linguistics, Italo-Celtic is a hypothetical grouping of the Italic and Celtic branches of the Indo-European language family on the basis of features shared by these two branches and no others. There is controversy about the causes o ...
subfamily. This hypothesis fell somewhat out of favour after reexamination by American linguist
Calvert Watkins Calvert Watkins ( /ˈwɒtkɪnz/; March 13, 1933 – March 20, 2013) was an American linguist and philologist, known for his book '' How to Kill a Dragon''. He was a professor of linguistics and the classics at Harvard University and after retirem ...
in 1966. Irrespective, some scholars such as Ringe, Warnow and Taylor have argued in favour of an Italo-Celtic grouping in 21st century theses.


Characteristics

Although there are many differences between the individual Celtic languages, they do show many family resemblances. *
consonant mutation Consonant mutation is change in a consonant in a word according to its morphological or syntactic environment. Mutation occurs in languages around the world. A prototypical example of consonant mutation is the initial consonant mutation of all ...
s (Insular Celtic only) *
inflected preposition In linguistics, an inflected preposition is a type of word that occurs in some languages, that corresponds to the combination of a preposition and a personal pronoun. For instance, the Welsh word ' () is an inflected form of the preposition ''i'' m ...
s (Insular Celtic only) * two
grammatical gender In linguistics, grammatical gender system is a specific form of noun class system, where nouns are assigned with gender categories that are often not related to their real-world qualities. In languages with grammatical gender, most or all noun ...
s (modern Insular Celtic only; Old Irish and the Continental languages had three genders, although Gaulish may have merged the neuter and masculine in its later forms) * a
vigesimal vigesimal () or base-20 (base-score) numeral system is based on twenty (in the same way in which the decimal numeral system is based on ten). '' Vigesimal'' is derived from the Latin adjective '' vicesimus'', meaning 'twentieth'. Places In a ...
number system (counting by twenties) ** Cornish "fifty-six" (literally "sixteen and two twenty") * verb–subject–object (VSO) word order (probably Insular Celtic only) * an interplay between the subjunctive, future, imperfect, and habitual, to the point that some tenses and moods have ousted others * an impersonal or autonomous verb form serving as a
passive Passive may refer to: * Passive voice, a grammatical voice common in many languages, see also Pseudopassive * Passive language, a language from which an interpreter works * Passivity (behavior), the condition of submitting to the influence of o ...
or
intransitive In grammar, an intransitive verb is a verb whose context does not entail a direct object. That lack of transitivity distinguishes intransitive verbs from transitive verbs, which entail one or more objects. Additionally, intransitive verbs ar ...
** Welsh "I teach" vs. "is taught, one teaches" ** Irish "I teach" vs. "is taught, one teaches" * no
infinitive Infinitive ( abbreviated ) is a linguistics term for certain verb forms existing in many languages, most often used as non-finite verbs. As with many linguistic concepts, there is not a single definition applicable to all languages. The word is de ...
s, replaced by a quasi-nominal verb form called the verbal noun or
verbnoun In Celtic languages such as Welsh, a verb-noun (or verbnoun) is used to refer to the basic form of a verb and is the form usually listed in a dictionary (for example, in the 'Modern Welsh Dictionary'). In Welsh for example, it is frequently used ...
* frequent use of vowel mutation as a morphological device, e.g. formation of plurals, verbal stems, etc. * use of preverbal particles to signal either subordination or illocutionary force of the following clause ** mutation-distinguished subordinators/relativisers **
particle In the physical sciences, a particle (or corpuscule in older texts) is a small localized object which can be described by several physical or chemical properties, such as volume, density, or mass. They vary greatly in size or quantity, from ...
s for
negation In logic, negation, also called the logical complement, is an operation that takes a proposition P to another proposition "not P", written \neg P, \mathord P or \overline. It is interpreted intuitively as being true when P is false, and false ...
, interrogation, and occasionally for affirmative declarations * pronouns positioned between particles and verbs * lack of simple verb for the
imperfective The imperfective (abbreviated or more ambiguously ) is a grammatical aspect used to describe ongoing, habitual, repeated, or similar semantic roles, whether that situation occurs in the past, present, or future. Although many languages have a ge ...
"have" process, with possession conveyed by a composite structure, usually BE + preposition ** Cornish "I have a cat", literally "there is a cat to me" ** Welsh "I have a cat", literally "a cat is with me" ** Irish "I have a cat", literally "there is a cat at me" * use of
periphrastic In linguistics, periphrasis () is the use of one or more function words to express meaning that otherwise may be expressed by attaching an affix or clitic to a word. The resulting phrase includes two or more collocated words instead of one in ...
constructions to express verbal tense, voice, or aspectual distinctions * distinction by function of the two versions of BE verbs traditionally labelled substantive (or existential) and copula * bifurcated
demonstrative Demonstratives ( abbreviated ) are words, such as ''this'' and ''that'', used to indicate which entities are being referred to and to distinguish those entities from others. They are typically deictic; their meaning depending on a particular fram ...
structure * suffixed pronominal supplements, called confirming or supplementary pronouns * use of singulars or special forms of counted nouns, and use of a singulative suffix to make singular forms from plurals, where older singulars have disappeared Examples: : ga, Ná bac le mac an bhacaigh is ní bhacfaidh mac an bhacaigh leat. : (Literal translation) ''Do not bother with son the beggar's and not will-bother son the beggar's with-you.'' :* is the genitive of . The the result of
affection Affection or fondness is a "disposition or state of mind or body" that is often associated with a feeling or type of love. It has given rise to a number of branches of philosophy and psychology concerning emotion, disease, influence, and sta ...
; the is the lenited form of . :* is the second person singular inflected form of the preposition . :* The order is verb–subject–object (VSO) in the second half. Compare this to English or French (and possibly Continental Celtic) which are normally subject–verb–object in word order. : cy, pedwar ar bymtheg a phedwar ugain : (Literally) ''four on fifteen and four twenties'' :* is a mutated form of , which is ("five") plus ("ten"). Likewise, is a mutated form of . :* The multiples of ten are .


Comparison table

The
lexical similarity In linguistics, lexical similarity is a measure of the degree to which the word sets of two given languages are similar. A lexical similarity of 1 (or 100%) would mean a total overlap between vocabularies, whereas 0 means there are no common words. ...
between the different Celtic languages is apparent in their
core vocabulary Core or cores may refer to: Science and technology * Core (anatomy), everything except the appendages * Core (manufacturing), used in casting and molding * Core (optical fiber), the signal-carrying portion of an optical fiber * Core, the central ...
, especially in terms of actual pronunciation. Moreover, the
phonetic Phonetics is a branch of linguistics that studies how humans produce and perceive sounds, or in the case of sign languages, the equivalent aspects of sign. Linguists who specialize in studying the physical properties of speech are phoneticians. ...
differences between languages are often the product of regular
sound change A sound change, in historical linguistics, is a change in the pronunciation of a language. A sound change can involve the replacement of one speech sound (or, more generally, one phonetic feature value) by a different one (called phonetic chan ...
(i.e.
lenition In linguistics, lenition is a sound change that alters consonants, making them more sonorous. The word ''lenition'' itself means "softening" or "weakening" (from Latin 'weak'). Lenition can happen both synchronically (within a language at a pa ...
of /b/ into /v/ or Ø). The table below has words in the modern languages that were inherited directly from
Proto-Celtic Proto-Celtic, or Common Celtic, is the ancestral proto-language of all known Celtic languages, and a descendant of Proto-Indo-European. It is not attested in writing but has been partly reconstructed through the comparative method. Proto-Celt ...
, as well as a few old borrowings from
Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through ...
that made their way into all the daughter languages. There is often a closer match between Welsh, Breton, and Cornish on the one hand, and Irish, Scottish Gaelic and Manx on the other. For a fuller list of comparisons, see the Swadesh list for Celtic. † Borrowings from Latin.


Examples

Article 1 of the Universal Declaration of Human Rights: ''All human beings are born free and equal in dignity and rights. They are endowed with reason and conscience and should act towards one another in a spirit of brotherhood.'' * ga, Saoláitear gach duine den chine daonna saor agus comhionann i ndínit agus i gcearta. Tá bua an réasúin agus an choinsiasa acu agus ba cheart dóibh gníomhú i dtreo a chéile i spiorad an bhráithreachais. * gv, Ta dagh ooilley pheiagh ruggit seyr as corrym ayns ard-cheim as kiartyn. Ren Jee feoiltaghey resoon as cooinsheanse orroo as by chair daue ymmyrkey ry cheilley myr braaraghyn. * gd, Tha gach uile dhuine air a bhreith saor agus co-ionnan ann an urram 's ann an còirichean. Tha iad air am breith le reusan is le cogais agus mar sin bu chòir dhaibh a bhith beò nam measg fhèin ann an spiorad bràthaireil. * br, Dieub ha par en o dellezegezh hag o gwirioù eo ganet an holl dud. Poell ha skiant zo dezho ha dleout a reont bevañ an eil gant egile en ur spered a genvreudeuriezh. * kw, Genys frank ha par yw oll tus an bys yn aga dynita hag yn aga gwiryow. Enduys yns gans reson ha kowses hag y tal dhedha omdhon an eyl orth y gila yn spyrys a vrederedh. * cy, Genir pawb yn rhydd ac yn gydradd â'i gilydd mewn urddas a hawliau. Fe'u cynysgaeddir â rheswm a chydwybod, a dylai pawb ymddwyn y naill at y llall mewn ysbryd cymodlon.


Possible members of the family

Several poorly-documented languages may have been Celtic. * Ancient Belgian * Camunic is an extinct language spoken in the first millennium BC in the
Val Camonica Val Camonica (also ''Valcamonica'' or Camonica Valley, Eastern Lombard dialect, Eastern Lombard: ''Al Camònega'') is one of the largest valleys of the central Alps, in eastern Lombardy, Italy. It extends about from the Tonale Pass to ...
and
Valtellina Valtellina or the Valtelline (occasionally spelled as two words in English: Val Telline; rm, Vuclina (); lmo, Valtelina or ; german: Veltlin; it, Valtellina) is a valley in the Lombardy region of northern Italy, bordering Switzerland. Tod ...
valleys of the Central Alps. It has recently been proposed to be a Celtic language. *
Ivernic The Iverni (, ') were a people of early Ireland first mentioned in Ptolemy's 2nd century '' Geography'' as living in the extreme south-west of the island. He also locates a "city" called Ivernis (, ') in their territory, and observes that this ...
* Ligurian, in the Northern Mediterranean Coast straddling the southeast French and northwest Italian coasts, including parts of
Tuscany it, Toscano (man) it, Toscana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Citizenship , demographics1_footnotes = , demographics1_title1 = Italian , demogra ...
,
Elba Elba ( it, isola d'Elba, ; la, Ilva) is a Mediterranean island in Tuscany, Italy, from the coastal town of Piombino on the Italian mainland, and the largest island of the Tuscan Archipelago. It is also part of the Arcipelago Toscano Nationa ...
island and
Corsica Corsica ( , Upper , Southern ; it, Corsica; ; french: Corse ; lij, Còrsega; sc, Còssiga) is an island in the Mediterranean Sea and one of the 18 regions of France. It is the fourth-largest island in the Mediterranean and lies southeast of ...
. Xavier Delamarre argues that Ligurian was a Celtic language, similar to Gaulish. The Ligurian-Celtic question is also discussed by Barruol (1999). Ancient Ligurian is either listed as Celtic (epigraphic), or Para-Celtic (onomastic). * Lusitanian, spoken in the area between the Douro and Tagus rivers of western
Iberia The Iberian Peninsula (), ** * Aragonese language, Aragonese and Occitan language, Occitan: ''Peninsula Iberica'' ** ** * french: Péninsule Ibérique * mwl, Península Eibérica * eu, Iberiar penintsula also known as Iberia, is a pe ...
(a region straddling the present border of
Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of th ...
and
Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = '' Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , ...
). Known from only five inscriptions and various place names. It is an Indo-European language and some scholars have proposed that it may be a para-Celtic language, which evolved alongside Celtic or formed a
dialect continuum A dialect continuum or dialect chain is a series of language varieties spoken across some geographical area such that neighboring varieties are mutually intelligible, but the differences accumulate over distance so that widely separated vari ...
or
sprachbund A sprachbund (, lit. "language federation"), also known as a linguistic area, area of linguistic convergence, or diffusion area, is a group of languages that share areal features resulting from geographical proximity and language contact. The lan ...
with Tartessian and Gallaecian. This is tied to a theory of an Iberian origin for the Celtic languages. It is also possible that the Q-Celtic languages alone, including Goidelic, originated in western Iberia (a theory that was first put forward by
Edward Lhuyd Edward Lhuyd FRS (; occasionally written Llwyd in line with modern Welsh orthography, 1660 – 30 June 1709) was a Welsh naturalist, botanist, linguist, geographer and antiquary. He is also named in a Latinate form as Eduardus Luidius. Life ...
in 1707) or shared a common linguistic ancestor with Lusitanian. Secondary evidence for this hypothesis has been found in research by biological scientists, who have identified (1) deep-rooted similarities in human DNA found precisely in both the former
Lusitania Lusitania (; ) was an ancient Iberian Roman province located where modern Portugal (south of the Douro river) and a portion of western Spain (the present Extremadura and the province of Salamanca) lie. It was named after the Lusitani or Lu ...
and
Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...
, and; (2) the so-called "
Lusitanian distribution In biology, a taxon with a disjunct distribution is one that has two or more groups that are related but considerably separated from each other geographically. The causes are varied and might demonstrate either the expansion or contraction of a s ...
" of animals and plants unique to western Iberia and Ireland. Both phenomena are now generally thought to have resulted from human emigration from Iberia to Ireland, in the late
Paleolithic The Paleolithic or Palaeolithic (), also called the Old Stone Age (from Greek: παλαιός '' palaios'', "old" and λίθος ''lithos'', "stone"), is a period in human prehistory that is distinguished by the original development of stone too ...
or early
Mesolithic The Mesolithic ( Greek: μέσος, ''mesos'' 'middle' + λίθος, ''lithos'' 'stone') or Middle Stone Age is the Old World archaeological period between the Upper Paleolithic and the Neolithic. The term Epipaleolithic is often used synonymo ...
eras. Other scholars see greater linguistic affinities between Lusitanian, proto-Gallo-Italic (particularly with Ligurian) and Old European. Prominent modern linguists such as
Ellis Evans David Ellis Evans FBA (23 September 1930 – 26 September 2013) was a Welsh scholar and academic. He was born in the Tywy Valley in Carmarthenshire and went to Llandeilo Grammar School. After studying at Jesus College, Oxford and receivi ...
, believe
Gallaecian Gallaecian, or Northwestern Hispano-Celtic, is an extinct Celtic language of a Hispano-Celtic group. It was spoken by the Gallaeci at the beginning of the 1st millennium in the northwest corner of the Iberian Peninsula that became the Roman ...
-Lusitanian was in fact one same language (not separate languages) of the "P" Celtic variant. *
Rhaetic Rhaetic or Raetic (), also known as Rhaetian, was a language spoken in the ancient region of Rhaetia in the eastern Alps in pre-Roman and Roman times. It is documented by around 280 texts dated from the 5th up until the 1st century BC, which were ...
, spoken in central
Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
,
Tyrol Tyrol (; historically the Tyrole; de-AT, Tirol ; it, Tirolo) is a historical region in the Alps - in Northern Italy and western Austria. The area was historically the core of the County of Tyrol, part of the Holy Roman Empire, Austrian Emp ...
in
Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
, and the Alpine regions of northeast
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
. Documented by a limited number of short inscriptions (found through Northern Italy and Western Austria) in two variants of the
Etruscan alphabet The Etruscan alphabet was the alphabet used by the Etruscans, an ancient civilization of central and northern Italy, to write their language, from about 700 BC to sometime around 100 AD. The Etruscan alphabet derives from the Euboean alphab ...
. Its linguistic categorization is not clearly established, and it presents a confusing mixture of what appear to be Etruscan,
Indo-European The Indo-European languages are a language family native to the overwhelming majority of Europe, the Iranian plateau, and the northern Indian subcontinent. Some European languages of this family, English, French, Portuguese, Russian, Du ...
, and uncertain other elements. Howard Hayes Scullard argues that Rhaetian was also a Celtic language. * Tartessian, spoken in the southwest of the Iberia Peninsula (mainly southern
Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of th ...
and southwest Spain). Tartessian is known by 95 inscriptions, with the longest having 82 readable signs.
John T. Koch John T. Koch is an American academic, historian and linguist who specializes in Celtic studies, especially prehistory and the early Middle Ages. He is the editor of the five-volume ''Celtic Culture. A Historical Encyclopedia'' (2006, ABC Clio). He ...
argues that Tartessian was also a Celtic language.


See also

* Ogham *
Celts The Celts (, see pronunciation for different usages) or Celtic peoples () are. "CELTS location: Greater Europe time period: Second millennium B.C.E. to present ancestry: Celtic a collection of Indo-European peoples. "The Celts, an ancient ...
*
Celts (modern) The modern Celts (, see pronunciation of ''Celt'') are a related group of ethnicities who share similar Celtic languages, cultures and artistic histories, and who live in or descend from one of the regions on the western extremities of Europe ...
* A Swadesh list of the modern Celtic languages *
Celtic Congress The International Celtic Congress ( br, Ar C'hendalc'h Keltiek, kw, An Guntelles Keltek, gv, Yn Cohaglym Celtiagh, gd, A' Chòmhdhail Cheilteach, ga, An Chomhdháil Cheilteach, cy, Y Gyngres Geltaidd) is a cultural organisation that seeks to ...
*
Celtic League The Celtic League is a pan-Celtic organisation, founded in 1961, that aims to promote modern Celtic identity and culture in Ireland, Scotland, Wales, Brittany, Cornwall and the Isle of Man – referred to as the Celtic nations; it places part ...
*
Continental Celtic languages The Continental Celtic languages are the now-extinct group of the Celtic languages that were spoken on the continent of Europe and in central Anatolia, as distinguished from the Insular Celtic languages of the British Isles and Brittany. ''Conti ...
*
Italo-Celtic In historical linguistics, Italo-Celtic is a hypothetical grouping of the Italic and Celtic branches of the Indo-European language family on the basis of features shared by these two branches and no others. There is controversy about the causes o ...
*
Language family A language family is a group of languages related through descent from a common ''ancestral language'' or ''parental language'', called the proto-language of that family. The term "family" reflects the tree model of language origination in h ...


Notes


References

* Ball, Martin J. & James Fife (ed.) (1993). ''The Celtic Languages''. London: Routledge. . * Borsley, Robert D. & Ian Roberts (ed.) (1996). ''The Syntax of the Celtic Languages: A Comparative Perspective''. Cambridge: Cambridge University Press. . * * ''Celtic Linguistics, 1700–1850'' (2000). London; New York: Routledge. 8 vols comprising 15 texts originally published between 1706 and 1844. * * * * Lewis, Henry & Holger Pedersen (1989). ''A Concise Comparative Celtic Grammar''. Göttingen: Vandenhoeck & Ruprecht. . * * * * * * *


Further reading

* . * . *


External links

*
Aberdeen University Celtic Department


* ttp://www.breizh.net/icdbl/saozg/Celtic_Languages.pdf Celts and Celtic Languages(PDF) {{DEFAULTSORT:Celtic languages