From the base of leukos; a portable lamp or other illuminator (literally or figuratively) -- candle, light.
see GREEK leukos
λύχνοι (luchnoi) − 1 Occurrence
λύχνον (luchnon) − 4 Occurrences
λύχνος (luchnos) − 6 Occurrences
λύχνου (luchnou) − 2 Occurrences
λύχνῳ (luchnō) − 1 Occurrence