luminary
‘light’
Lexical development traced from the Tamil root:
O.F. luminaire ‘lamp, lights, lighting; candles; brightness, illumination’ < La.Lat. luminare ‘light, torch, lamp, heavenly body’ < Lat. lumen ‘light, source of light, daylight, the light of the eye; distinguished person, ornament, glory’ < lucere ‘to shine’ < loo < leuk- < Tamil el