Where does “frere” come from?

frere (Old French) comes from Latin frāter, from Proto-Italic frātēr, from Proto-Indo-European bʰréh₂tēr — brother.

frere (Old French): brother

Definitions

Step	Language	Word	Meaning
1	Latin	frāter	—
2	Proto-Italic	frātēr	brother
3	Proto-Indo-European	bʰréh₂tēr	brother

frere — Etymology, Origin & Word History | Etymology Explorer