jess (n.)youdaoicibaDictYouDict[jess 词源字典]
leg-strap used in hawking and falconry, mid-14c., from Old French jes "straps fastened round the legs of a falcon," plural of jet, literally "cast, throw," from Latin iactus "a throw, cast," from iacere (see jet (v.)). Related: Jesses. [jess etymology, jess origin, 英语词源]