varvel (n.)youdaoicibaDictYouDict[varvel 词源字典]
"metal ring attached to the end of a hawk's jess and connecting it to the leash," 1530s, from Old French vervelle "falcon's leg fetter" (14c.), from Vulgar Latin derivation of Latin vertibulum "joint." Related: Varvels.[varvel etymology, varvel origin, 英语词源]