prelate (n.)youdaoicibaDictYouDict[prelate 词源字典]
c. 1200, from Old French prelat (Modern French prélate) and directly from Medieval Latin prelatus "clergyman of high rank," from Latin praelatus "one preferred," noun use of past participle of praeferre (see prefer), from prae "before" (see pre-) + latus "borne, carried" (see oblate (n.)).[prelate etymology, prelate origin, 英语词源]