Bible Greek and Hebrew Dictionaries combined for Word Studies
Genesis Chapter 1
brightness 0541 # apaugasma {ap-ow'-gas-mah}; from a compound of 575 and 826; an off-flash, i.e. effulgence: -- {brightness}.
brightness 2015 # epiphaneia {ep-if-an'-i-ah}; from 2016; a manifestation, i.e. (specially) the advent of Christ (past or future): -- appearing, {brightness}.
brightness 2096 ## zohar {zo'-har}; from 2094; brilliancy: -- {brightness}.