Shadoof
Overview
 
A shadoof, shaduf, dhenkli, picottah or counterpoise-lift (an Arabic
Arabic language
Arabic is a name applied to the descendants of the Classical Arabic language of the 6th century AD, used most prominently in the Quran, the Islamic Holy Book...

 word, شادوف, šādūf; also anciently known by the Greek
Greek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 name κήλων or κηλώνειον, kēlōn or kēlōneion) is an irrigation
Irrigation
Irrigation may be defined as the science of artificial application of water to the land or soil. It is used to assist in the growing of agricultural crops, maintenance of landscapes, and revegetation of disturbed soils in dry areas and during periods of inadequate rainfall...

 tool
Tool
A tool is a device that can be used to produce an item or achieve a task, but that is not consumed in the process. Informally the word is also used to describe a procedure or process with a specific purpose. Tools that are used in particular fields or activities may have different designations such...

. A less common English translation is swape.
The shadoof was originally developed in ancient Mesopotamia
Mesopotamia
Mesopotamia is a toponym for the area of the Tigris–Euphrates river system, largely corresponding to modern-day Iraq, northeastern Syria, southeastern Turkey and southwestern Iran.Widely considered to be the cradle of civilization, Bronze Age Mesopotamia included Sumer and the...

, and appears on a Sargonid
Sargon of Akkad
Sargon of Akkad, also known as Sargon the Great "the Great King" , was an Akkadian emperor famous for his conquest of the Sumerian city-states in the 23rd and 22nd centuries BC. The founder of the Dynasty of Akkad, Sargon reigned in the last quarter of the third millennium BC...

 seal of c.2000 BCE.
 
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