Source: WikipediaBury the hatchet is an American Englishcolloquialism meaning "to make peace." The phrase is an allusion to the figurative or literal practice of putting away the tomahawk at the cessation of hostilities among or by Native Americans in the Eastern United States, specifically concerning the formation of the Iroquois Confederacy and in Iroquois custom in general. Weapons were to be buried or otherwise cached in time of peace.
Bury the hatchet - Wikipedia, the free encyclopedia
The other idiom with the similar meaning I can remember is ' to smoke the peace pipe', which was orginally from native Americans. Peace pipe is a token of peace for native Americans.
source: UsingEnglish.comIf people smoke the peace pipe, they stop arguing and fighting.
Smoke the peace pipe - Idiom Definition - UsingEnglish.com
P.S. I am not a teacher of English.
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