misdeed (n.)youdaoicibaDictYouDict[misdeed 词源字典]
Old English misdæd "misdeed, evil deed, sin," common Germanic compound (compare Old Saxon misdad, Old Frisian misdede, Middle Dutch misdaet, German Missetat, Gothic missadeþs; see mis- (1) + deed (n.).[misdeed etymology, misdeed origin, 英语词源]