An alpha

privative A privative, named from Latin language, Latin ''wikt:privare, privare'', "to deprive", is a particle (grammar), particle that negates or inverts the semantics, value of the root word, stem of the word. In Indo-European languages many privatives are ...

or, rarely, privative a (from

Latin Latin (, or , ) is a classical language belonging to the 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 the power ...

', from

Ancient Greek Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic p ...

) is the

prefix A prefix is an affix which is placed before the stem of a word. Adding it to the beginning of one word changes it into another word. For example, when the prefix ''un-'' is added to the word ''happy'', it creates the word ''unhappy''. Particu ...

''a-'' or ''an-'' (before vowels) that is used in

Indo-European languages 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, ...

such as

Sanskrit Sanskrit (; attributively , ; nominalization, nominally , , ) is a classical language belonging to the Indo-Aryan languages, Indo-Aryan branch of the Indo-European languages. It arose in South Asia after its predecessor languages had Trans-cul ...

and

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

and in words borrowed therefrom to express negation or absence, for example the English words of greek origin ''

atypical ''Atypical'' is an American comedy-drama television series created by Robia Rashid for Netflix. It focuses on the life of 18-year-old Sam Gardner ( Keir Gilchrist), who is on the autism spectrum. The first season was released on August 11, 20 ...

'', ''

anesthetic An anesthetic (American English) or anaesthetic (British English; see spelling differences) is a drug used to induce anesthesia ⁠— ⁠in other words, to result in a temporary loss of sensation or awareness. They may be divided into tw ...

'', and ''

analgesic An analgesic drug, also called simply an analgesic (American English), analgaesic (British English), pain reliever, or painkiller, is any member of the group of drugs used to achieve relief from pain (that is, analgesia or pain management). It ...

''. It is derived from a

Proto-Indo-European Proto-Indo-European (PIE) is the reconstructed common ancestor of the Indo-European language family. Its proposed features have been derived by linguistic reconstruction from documented Indo-European languages. No direct record of Proto-Indo- ...

syllabic nasal *', the zero

ablaut In linguistics, the Indo-European ablaut (, from German '' Ablaut'' ) is a system of apophony (regular vowel variations) in the Proto-Indo-European language (PIE). An example of ablaut in English is the strong verb ''sing, sang, sung'' and i ...

grade of the negation *', i.e. /n/ used as a vowel. For this reason, it usually appears as ' before vowels (e.g. '' an-alphabetism'', '' an-esthesia'', '' an-archy''). It shares the same root with the Greek prefix ' or ', in Greek or , that is also privative (e.g. '). It is not to be confused with, among other things, an alpha copulative (e.g. ') or the prepositional

component Circuit Component may refer to: •Are devices that perform functions when they are connected in a circuit. In engineering, science, and technology Generic systems * System components, an entity with discrete structure, such as an assem ...

' (i.e. the preposition ' with ecthlipsis or

elision In linguistics, an elision or deletion is the omission of one or more sounds (such as a vowel, a consonant, or a whole syllable) in a word or phrase. However, these terms are also used to refer more narrowly to cases where two words are run toget ...

of its final vowel before a following vowel; e.g. ').

Cognates

Sanskrit

The same prefix appears in

, also as अ- before consonants; and अन्- before vowels.

Latin

, the

cognate In historical linguistics, cognates or lexical cognates are sets of words in different languages that have been inherited in direct descent from an etymological ancestor in a common parent language. Because language change can have radical e ...

prefix is '. The prepositional prefix ' is unrelated.

Germanic languages

In English and other

West Germanic languages The West Germanic languages constitute the largest of the three branches of the Germanic family of languages (the others being the North Germanic and the extinct East Germanic languages). The West Germanic branch is classically subdivided into ...

, the cognate is ''un-'' (or ''on-''). In

North Germanic languages The North Germanic languages make up one of the three branches of the Germanic languages—a sub-family of the Indo-European languages—along with the West Germanic languages and the extinct East Germanic languages. The language group is also ...

, the -''n''- has disappeared and

Old Norse Old Norse, Old Nordic, or Old Scandinavian, is a stage of development of North Germanic languages, North Germanic dialects before their final divergence into separate Nordic languages. Old Norse was spoken by inhabitants of Scandinavia and t ...

has ' (e.g. ),

Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish ance ...

and

Norwegian Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in northwestern Europe * Norwegians, both a nation and an ethnic group native to Norway * Demographics of Norway *The Norwegian language, including ...

have ', whereas

Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used b ...

uses ' (pronounced , and Icelandic and Faroese use the related '.

Homonym

The prefix ' (also - ' from

psilosis Psilosis () is the sound change in which Greek lost the consonant sound /h/ during antiquity. The term comes from the Greek ''psílōsis'' ("smoothing, thinning out") and is related to the name of the smooth breathing (ψιλή ''psilḗ''), ...

copulative a The copulative ''a'' (also ''a'' copulativum, ''a'' athroistikon) is the prefix ''ha-'' or ''a-'' expressing unity in Ancient Greek, derived from Proto-Indo-European *''sm̥-'', cognate to English ''same'' (see also Symbel).. An example is ''a-del ...

, is nearly

homonym In linguistics, homonyms are words which are homographs (words that share the same spelling, regardless of pronunciation), or homophones (equivocal words, that share the same pronunciation, regardless of spelling), or both. Using this definition, ...

ous with privative ', but originates from Proto-Indo-European *.

References