ἀπαύγασμα G541
apaúgasma · ap-ow'-gas-mah · Noun Neuter
from a compound of ἀπό and αὐγάζω; an off-flash, i.e. effulgence:--brightness.
1 Occurrence in the King James Bible
Hebrews 1:3Who being the brightness of his glory, and the express image of his person, and upholding all things by the word of his power, when he had by himself purged our sins, sat down on the right hand of the Majesty on high;