AchillesyoudaoicibaDictYouDict[Achilles 词源字典]
Greek hero of the Trojan War stories, son of Thetis and Peleus, his name is perhaps a compound of akhos "pain, grief" (see awe) + laos "the people, a people" (see lay (adj.)); or else it is from a pre-Greek language.[Achilles etymology, Achilles origin, 英语词源]