φωσφόρος/phōsphoros

This word describes someone or something. It is an adjective.

This word is used to describe something that brings light to a place.
This word can be used to talk about the bright star or planet that appears in the sky just before the sun rises.
This word can be used to talk about someone who is in some way like the bright star or planet that appears in the sky just before the sun rises.

See: 2 Peter 1:19