Strong’s Greek
G3174 — megethos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
μέγεθος
megethos — pronounced meg'-eth-os
from 3173; magnitude (figuratively):--greatness. see GREEK for 3173
1 occurrence in the KJV.
Ephesians 1:19
And what is the exceeding greatness of his power to us-ward who believe, according to the working of his mighty power,