Strong’s Greek
G2397 — idea
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
εἰδέα
idea — pronounced id-eh'-ah
from 1492; a sight (comparative figuratively "idea"), i.e. aspect:--countenance. see GREEK for 1492
1 occurrence in the KJV.
Matthew 28:3
His countenance was like lightning, and his raiment white as snow: