jackal (n.)youdaoicibaDictYouDict[jackal 词源字典]
c. 1600, from Turkish çakal, from Persian shaghal, from or cognate with Sanskrit srgala-s, literally "the howler." Figurative sense of "skulking henchman" is from the old belief that jackals stirred up game for lions.[jackal etymology, jackal origin, 英语词源]