Strong’s Greek
G1306 — diaugazo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
διαυγάζω
diaugazo — pronounced dee-ow-gad'-zo
from 1223 and 826; to glimmer through, i.e. break (as day):--dawn. see GREEK for 1223 see GREEK for 826
1 occurrence in the KJV.
2 Peter 1:19
We have also a more sure word of prophecy; whereunto ye do well that ye take heed, as unto a light that shineth in a dark place, until the day dawn, and the day star arise in your hearts: