Strong’s Greek
G3721 — orthrios
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὄρθριος ία ιον
orthrios — pronounced or'-three-os
from 3722; in the dawn, i.e. up at day-break:--early. see GREEK for 3722
1 occurrence in the KJV.
Luke 24:22
Yea, and certain women also of our company made us astonished, which were early at the sepulchre;