Kibosh Definition
kībŏsh, kī-bŏsh
noun
A thing that stops (something else)
Webster's New World
(slang) A checking or restraining element.
Wiktionary
Origin of Kibosh
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From the Irish caidhp bháis, meaning death cap (the hood put on someone before they were hanged to death, or the "Black cap" worn by English judges when pronouncing the death sentence).
From Wiktionary
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From the Scots kye booties, meaning cow boots (the hobble put on cattle to prevent them from straying).
From Wiktionary
Origin unknown
From American Heritage Dictionary of the English Language, 5th Edition
