outcast (n.)youdaoicibaDictYouDict[outcast 词源字典]
mid-14c., "a person cast out or rejected," originally past participle of Middle English outcasten, from out + casten "to cast" (see cast (v.)). The adjective is attested from late 14c. In an Indian context, outcaste "one who has been expelled from his caste" is from 1876; see caste.[outcast etymology, outcast origin, 英语词源]