Strong’s Greek
G1357 — diorthosis
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
διόρθωσις
diorthosis — pronounced dee-or'-tho-sis
from a compound of 1223 and a derivative of 3717, meaning to straighten thoroughly; rectification, i.e. (specially) the Messianic restauration:--reformation. see GREEK for 1223 see GREEK for 3717
1 occurrence in the KJV.
Hebrews 9:10
Which stood only in meats and drinks, and divers washings, and carnal ordinances, imposed on them until the time of reformation.