The story
- Proto-Indo-European*bʰréh₂tēr
- Proto-Italic*frātēr
- Latinfrāter
- Old Frenchfrere
- Middle Englishfrere
- English todayfriar
Inherited from Middle English frere, borrowed from Old French frere, from Latin frāter, from Proto-Italic *frātēr, from Proto-Indo-European *bʰréh₂tēr. Doublet of bhai, brother, bru, frater, pal, and vai.
Etymology from Wiktionary, CC BY-SA 4.0.