Strong’s Greek
G2273 — etoi
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἤτοι
etoi — pronounced ay'-toy
from 2228 and 5104; either indeed:--whether. see GREEK for 2228 see GREEK for 5104
1 occurrence in the KJV.
Romans 6:16
Know ye not, that to whom ye yield yourselves servants to obey, his servants ye are to whom ye obey; whether of sin unto death, or of obedience unto righteousness?