CainyoudaoicibaDictYouDict[Cain 词源字典]
elder son of Adam and Eve, from Hebrew Qayin, literally "created one," also "smith," from Semitic stem q-y-n "to form, to fashion." To raise Cain is first recorded 1840. Surnames McCain, McCann, etc., are a contraction of Irish Mac Cathan "son of Cathan," from Celtic cathan, literally "warrior," from cath "battle."[Cain etymology, Cain origin, 英语词源]