Where does “frère” come from?

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

frère (Norman): brother

Definitions

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

frère — Etymology, Origin & Word History | Etymology Explorer