incandescent (adj.)youdaoicibaDictYouDict[incandescent 词源字典]
1794, from French incandescent or directly from Latin incandescentem (nominative incandescens), present participle of incandescere "become warm, glow, kindle," from in- "within" (see in- (2)) + candescere "begin to glow, become white," inceptive of candere "to glow, to shine" (see candle).[incandescent etymology, incandescent origin, 英语词源]