بھائی • (bhā'ī) m (Hindi spelling भाई)
From Prakrit, from an Old-Indo-Aryan language, akin to Sanskrit भ्रातृ (bhrātṛ), from Proto-Indo-Aryan *bʰrā́tr̥, from Proto-Indo-Iranian *bʰrā́tar-, from Proto-Indo-European *bʰréh₂tēr (“brother”). Cognates include Ancient Greek φράτηρ (phrátēr), Latin frāter, Old Norse bróðir and Old English brōþor (English brother).