myself (pron.)youdaoicibaDictYouDict[myself 词源字典]
c. 1500, alteration of meself, from Old English phrase (ic) me self, where me is "a kind of ethical dative" [OED], altered in Middle Ages from meself on analogy of herself, with her- felt as genitive; though analogous hisself remains bad form.[myself etymology, myself origin, 英语词源]