persuasive (adj.)youdaoicibaDictYouDict[persuasive 词源字典]
1580s, from Middle French persuasif, from Medieval Latin persuasivus, from Latin persuas-, past participle stem of persuadere "persuade, convince" (see persuasion). Related: Persuasively; persuasiveness. Replaced earlier persuasible in this sense (see persuadable).[persuasive etymology, persuasive origin, 英语词源]