malevolent (adj.)youdaoicibaDictYouDict[malevolent 词源字典]
c. 1500, from Middle French malivolent and directly from Latin malevolentem (nominative malevolens) "ill-disposed, spiteful, envious," from male "badly" (see mal-) + volentem (nominative volens), present participle of velle "to wish" (see will (v.)). Related: Malevolently.[malevolent etymology, malevolent origin, 英语词源]