magisterial (adj.)youdaoicibaDictYouDict[magisterial 词源字典]
1630s, from Medieval Latin magisterialis "of or pertaining to the office of magistrate, director, or teacher," from Late Latin magisterius "having authority of a magistrate," from magister "chief, director" (see master (n.)). Related: Magisterially.[magisterial etymology, magisterial origin, 英语词源]