BucephalusyoudaoicibaDictYouDict[Bucephalus 词源字典]
Alexander the Great's favorite horse, from Greek Boukephalos, literally "Ox-head," from bous "ox" (see cow (n.)) + kephale "head" (see cephalo-).
Men called [him] Bucephalus ... of the marke or brand of a buls head, which was imprinted vpon his shoulder. [Pliny, I.220, tr. Holland, 1601]
[Bucephalus etymology, Bucephalus origin, 英语词源]