CerberusyoudaoicibaDictYouDict[Cerberus 词源字典]
"watch-dog guardian of Hades," late 14c., Latinized form of Greek Kerberos, which is of unknown origin, according to Klein perhaps cognate with Sanskrit karbarah, sabalah "spotted, speckled;" Sabalah was the name of one of the two dogs of Yama.[Cerberus etymology, Cerberus origin, 英语词源]