sado-masochist (n.)youdaoicibaDictYouDict[sado-masochist 词源字典]
also sadomasochist, 1919; from comb. form of sadist + masochist. Related: Sadomasochistic; sado-masochistic. Earlier was sadistic-masochistic (1892).[sado-masochist etymology, sado-masochist origin, 英语词源]