proletariat (n.)youdaoicibaDictYouDict[proletariat 词源字典]
also proletariate, "the lowest class," 1853, from French prolétariat, from Latin proletarius (see proletarian). In political economics, "indigent wage-earners," from 1856. Leninist phrase dictatorship of the proletariat attested from 1918.[proletariat etymology, proletariat origin, 英语词源]