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Shadoof

irrigation tool

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 8, 2026
Entity authorityQ837176 ↗
Source-derived summary

A shadoof or shaduf, well pole, well sweep, sweep, swape, or simply a lift is a tool that is used to lift water from a well or another water source onto land or into another waterway or basin. It is highly efficient, and has been known since ancient times.

The mechanism of a shadoof comprises a long counterbalanced pole on a pivot, with a bucket attached to the end of it. It is generally used in a crop irrigation system using basins, dikes, ditches, walls, canals, and similar waterways.

History

One theory states that the shadoof was invented in Mesopotamia as early as the time of Sargon of Akkad (around 24th and 23rd centuries BCE). The earliest evidence of this technology is a cylindrical seal with a depiction of a shadoof dating back to about 2200 BCE. Then, it is believed that the Minoans adopted this technology; evidence suggests the use of shadoofs as early as around 2100–1600 BCE. The shadoof appeared in Upper Egypt sometime after 2000 BC, most likely during the 18th Dynasty. Around the same time, the shadoof reached China.

Some historians believe the Egyptians were the original inventors of the shadoof. The theory states that the shadoof originated along the Nile, using tomb drawings illustrating shadoofs at Thebes dating from 1250 BCE as evidence.

An alternative origin theory states that shadoof originated from India around the same time as in Mesopotamia.

Editorial summary

“Shadoof” enters the record as irrigation tool. Crown Archives preserves that source wording while asking what Shadoof, irrigation and tool can confirm, complicate or overturn.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1600, 2000, 1250—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Shadoof, irrigation and tool.
Editorial analysis

Why this record matters

“Shadoof” is worth following because a concise public description often conceals a longer documentary argument. Here, Shadoof, irrigation and tool provides the most credible route into that argument.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jun 8, 2026. The linked authority identifier is Q837176. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1600, 2000 and 1250.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
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The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Shadoof”, its source revision and the description used here.
  2. Expand the search: follow Shadoof primary sources, Shadoof archive and Shadoof research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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  2. What terminology or title could unlock a more precise catalogue search?
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Source & attribution

This entry incorporates text from “Shadoof” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.