expostulation (n.)youdaoicibaDictYouDict[expostulation 词源字典]
1580s, "action of remonstrating in a friendly manner;" 1590s, "argumentative protest," from Latin expostulationem (nominative expostulatio) "a pressing demand, complaint," noun of action from past participle stem of expostulare "demand urgently" (see expostulate).[expostulation etymology, expostulation origin, 英语词源]