delude (v.)youdaoicibaDictYouDict[delude 词源字典]
c. 1400, from Latin deludere "to play false; to mock, deceive," from de- "down, to one's detriment" (see de-) + ludere "to play" (see ludicrous). Related: Deluded; deluding.[delude etymology, delude origin, 英语词源]