cahoots (n.)youdaoicibaDictYouDict[cahoots 词源字典]
1829, American English, of unknown origin; said to be perhaps from French cahute "cabin, hut" (12c.), but U.S. sources credit it to French cohorte (see cohort), a word said to have been in use in the U.S. South and West with a sense of "companions, confederates."[cahoots etymology, cahoots origin, 英语词源]