hackamore (n.)youdaoicibaDictYouDict[hackamore 词源字典]
halter chiefly used for breaking horses, 1850, American English, of uncertain origin. OED and Klein suggests a corruption of Spanish jaquima (earlier xaquima) "halter, headstall of a horse," which Klein suggests is from Arabic shakimah "bit of a bridle, curb, restraint."[hackamore etymology, hackamore origin, 英语词源]