typecast (v.)youdaoicibaDictYouDict[typecast 词源字典]
also type-cast, with reference to actors, 1937 (implied in typecasting), from type (n.) in the "general character" sense (perhaps a deliberate pun on the verbal phrase in the printing sense "to found types in molds," attested from 1847). See type (n.) + cast (v.).[typecast etymology, typecast origin, 英语词源]