φωστήρ G5458
phōstḗr · foce-tare' · Noun Masculine
from φῶς; an illuminator, i.e. (concretely) a luminary, or (abstractly) brilliancy:--light.
2 Occurrences in the King James Bible
Philippians 2:15That ye may be blameless and harmless, the sons of God, without rebuke, in the midst of a crooked and perverse nation, among whom ye shine as lights in the world;
Revelation 21:11Having the glory of God: and her light was like unto a stone most precious, even like a jasper stone, clear as crystal;