A dunam (
Ottoman Turkish,
Arabic
Arabic (, , or , ) is a Central Semitic languages, Central Semitic language of the Afroasiatic languages, Afroasiatic language family spoken primarily in the Arab world. The International Organization for Standardization (ISO) assigns lang ...
: ; ; ; ), also known as a donum or dunum and as the old, Turkish, or Ottoman
stremma, was the
Ottoman unit of
area
Area is the measure of a region's size on a surface. The area of a plane region or ''plane area'' refers to the area of a shape or planar lamina, while '' surface area'' refers to the area of an open surface or the boundary of a three-di ...
analogous in role (but not equal) to the
Greek stremma or
English acre
The acre ( ) is a Unit of measurement, unit of land area used in the Imperial units, British imperial and the United States customary units#Area, United States customary systems. It is traditionally defined as the area of one Chain (unit), ch ...
, representing the amount of land that could be ploughed by a team of
oxen in a day. The legal definition was
(when?) "forty standard
paces in length and breadth", but its actual area varied considerably from place to place, from a little more than in
Ottoman Palestine to around in
Iraq
Iraq, officially the Republic of Iraq, is a country in West Asia. It is bordered by Saudi Arabia to Iraq–Saudi Arabia border, the south, Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq border, the east, the Persian Gulf and ...
.
[Λεξικό της κοινής Νεοελληνικής (Dictionary of Modern Greek), Ινστιτούτο Νεοελληνικών Σπουδών, Θεσσαλονίκη, 1998. ]
The unit is still in use in many areas previously ruled by the Ottomans, although the new or metric dunam has been redefined
(as of when, by who?) as exactly one
decare (), which is 1/10
hectare
The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), that is, square metres (), and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. ...
(1/10 × ), like the modern Greek
royal stremma.
History
The name dönüm, from the
Ottoman Turkish ''dönmek'' (, "to turn"), appears to be a
calque
In linguistics, a calque () or loan translation is a word or phrase borrowed from another language by literal word-for-word or root-for-root translation. When used as a verb, "to calque" means to borrow a word or phrase from another language ...
of the
Byzantine Greek ''
stremma'' and had the same size. It was likely adopted by the Ottomans from the Byzantines in
Mysia
Mysia (UK , US or ; ; ; ) was a region in the northwest of ancient Asia Minor (Anatolia, Asian part of modern Turkey). It was located on the south coast of the Sea of Marmara. It was bounded by Bithynia on the east, Phrygia on the southeast, Lyd ...
-
Bithynia.
''The Dictionary of Modern Greek'' defines the old Ottoman stremma as approximately , but
Costas Lapavitsas used the value of for the region of
Naoussa in the early 20th century.
Definition
Albania, Bosnia and Herzegovina, Serbia, Montenegro
In
Bosnia and Herzegovina
Bosnia and Herzegovina, sometimes known as Bosnia-Herzegovina and informally as Bosnia, is a country in Southeast Europe. Situated on the Balkans, Balkan Peninsula, it borders Serbia to the east, Montenegro to the southeast, and Croatia to th ...
and in
Serbia
, image_flag = Flag of Serbia.svg
, national_motto =
, image_coat = Coat of arms of Serbia.svg
, national_anthem = ()
, image_map =
, map_caption = Location of Serbia (gree ...
the unit is called the ''dulum'' (дулум) or ''dunum'' (дунум). In Bosnia and Herzegovina a dunum (or dulum) equals . In the region of
Leskovac, south Serbia, one dulum is equal to . In
Albania
Albania ( ; or ), officially the Republic of Albania (), is a country in Southeast Europe. It is located in the Balkans, on the Adriatic Sea, Adriatic and Ionian Seas within the Mediterranean Sea, and shares land borders with Montenegro to ...
it is called a dynym or dylym and is equal to .
Bulgaria
In
Bulgaria
Bulgaria, officially the Republic of Bulgaria, is a country in Southeast Europe. It is situated on the eastern portion of the Balkans directly south of the Danube river and west of the Black Sea. Bulgaria is bordered by Greece and Turkey t ...
, the
decare (декар) is used, which is an
SI unit, literally meaning 10 ares.
Cyprus
In
Cyprus
Cyprus (), officially the Republic of Cyprus, is an island country in the eastern Mediterranean Sea. Situated in West Asia, its cultural identity and geopolitical orientation are overwhelmingly Southeast European. Cyprus is the List of isl ...
, a donum is or 14400 square feet. In the
Republic of Cyprus older Greek-Cypriots also still refer to the donum using the local
Greek Cypriot dialect word σκάλες
kales rather than the mainland Greek word
stremma (equivalent to a decare). However, since 1986 officially Cyprus uses the square metre and the hectare.
A donum consists of 4 evleks, each of which consists of or 3.600 square feet.
Greece
In Greece, the old dönüm is called a "Turkish stremma", while today, a
stremma or "royal stremma" is exactly one
decare, like the metric dönüm.
Iraq
In
Iraq
Iraq, officially the Republic of Iraq, is a country in West Asia. It is bordered by Saudi Arabia to Iraq–Saudi Arabia border, the south, Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq border, the east, the Persian Gulf and ...
, the dunam is .
Israel, Palestine and Turkey
In Israel,
Palestine
Palestine, officially the State of Palestine, is a country in West Asia. Recognized by International recognition of Palestine, 147 of the UN's 193 member states, it encompasses the Israeli-occupied West Bank, including East Jerusalem, and th ...
and
Turkey
Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...
, the dunam is , which is 1
decare. From the Ottoman period and through the early years of the
British Mandate for Palestine, the size of a dunam was , but in 1928, the metric dunam of was adopted, and this is still used today in Israel.
United Arab Emirates
The Dubai Statistics Center an
Statistics Centre Abu Dhabiuse the metric dunam (spelt as donum) for data relating to agricultural land use.
One donum equals .
Variations
Other countries using a dunam of some size include
Libya
Libya, officially the State of Libya, is a country in the Maghreb region of North Africa. It borders the Mediterranean Sea to the north, Egypt to Egypt–Libya border, the east, Sudan to Libya–Sudan border, the southeast, Chad to Chad–L ...
and
Syria
Syria, officially the Syrian Arab Republic, is a country in West Asia located in the Eastern Mediterranean and the Levant. It borders the Mediterranean Sea to the west, Turkey to Syria–Turkey border, the north, Iraq to Iraq–Syria border, t ...
.
Conversions
A metric dunam is equal to:
* 1,000 square metres (exactly)
* 10
ares (exactly)
* 1
decare (exactly)
* 0.1
hectare
The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), that is, square metres (), and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. ...
s (exactly)
* 0.001
square kilometres (exactly)
* 0.247105381
acre
The acre ( ) is a Unit of measurement, unit of land area used in the Imperial units, British imperial and the United States customary units#Area, United States customary systems. It is traditionally defined as the area of one Chain (unit), ch ...
s (approx)
* 1,195.99005
square yard
The square yard (Indian English, Northern India: guz, gaj, Pakistani English, Pakistan: gaz) is an imperial unit and U.S. customary unit of area. It is in widespread use in most of the English language, English-speaking world, particularly the U ...
s (approx)
* 10,763.9104
square feet (approx)
Comparable measures
The
Byzantine
The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the events that caused the fall of the Western Roman E ...
Greek stremma was the probable source of the Turkish unit. The
zeugarion (Turkish
çift) was a similar unit derived from the area plowed by a team of oxen in a day. The
English acre
The acre ( ) is a Unit of measurement, unit of land area used in the Imperial units, British imperial and the United States customary units#Area, United States customary systems. It is traditionally defined as the area of one Chain (unit), ch ...
was originally similar to both units in principle, although it developed separately.
See also
*
Orders of magnitude (area) for further comparisons
*
Conversion of units
*
Feddan
A feddan () is a unit of area used in Egypt, South Sudan, Sudan, Syria, and Oman. In Classical Arabic, the word means 'a yoke of oxen', implying the area of ground that could be tilled by oxen in a certain time. In Egypt, the feddan is the only n ...
, a similar non-SI unit of area used in
Egypt
Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...
,
Sudan
Sudan, officially the Republic of the Sudan, is a country in Northeast Africa. It borders the Central African Republic to the southwest, Chad to the west, Libya to the northwest, Egypt to the north, the Red Sea to the east, Eritrea and Ethiopi ...
, and
Syria
Syria, officially the Syrian Arab Republic, is a country in West Asia located in the Eastern Mediterranean and the Levant. It borders the Mediterranean Sea to the west, Turkey to Syria–Turkey border, the north, Iraq to Iraq–Syria border, t ...
*
Resm-i dönüm, a land tax based on the area of a farm
References
{{Reflist
External links
Foreign Weights and Measures Formerly in Common Use
Units of area
Turkish words and phrases
Metricated units