Cain
来自Big Physics
wiktionary
From Hebrew קַיִן (Káyin, “craftsman”), present since Old English.
etymonline
Cain
elder son of Adam and Eve, the first murderer and the first fratricide, from Hebrew Qayin, literally "created one," also "smith," from Semitic stem q-y-n "to form, to fashion." Figurative use for "murderer, fratricide" is from late 14c. The Cainites were a 2c. heretical sect who revered Cain, Judas, and other wicked characters in Scripture.
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."