Meaning

noun a male with the same parents as someone else

noun a male person who is a fellow member (of a fraternity or religion or other group)

noun a close friend who accompanies his buddies in their activities

originPIE word *bʰréh₂tēr Etymology tree Proto-Indo-European *bʰréh₂tēr Proto-Germanic *brōþēr Proto-West Germanic *brōþer Old English brōþor Middle English brother English brother Inherited from Middle English broder, brodir, brother, brothir, broþer, broðer, from Old English brōþor, brōþur, brōðer, brōður, from Proto-West Germanic *brōþer, from Proto-Germanic *brōþēr (“brother”), from…

Etymology from Wiktionary, CC BY-SA 3.0