Where does “Romain” come from?

Romain (Middle French) comes from Old French Romain, from Latin Rōmānus, from Latin -ānus.

Romain (Middle French): Roman

Definitions

Step	Language	Word	Meaning
1	Old French	Romain	Roman
2	Latin	Rōmānus	—
3	Latin	-ānus	—

Romain — Etymology, Origin & Word History | Etymology Explorer