gristle (n.)youdaoicibaDictYouDict[gristle 词源字典]
Old English gristle "cartilage," related to grost "gristle," from a common West Germanic word (cognates: Old Frisian and Middle Low German gristel, Old High German crostila, Middle High German gruschel) of obscure origin.[gristle etymology, gristle origin, 英语词源]