refulgent (adj.)youdaoicibaDictYouDict[refulgent 词源字典]
c. 1500, from Middle French refulgent or directly from Latin refulgentem (nominative refulgens), present participle of refulgere "flash back, shine brilliantly," from re- "back" (see re-) + fulgere "to shine" (see bleach (v.)).[refulgent etymology, refulgent origin, 英语词源]