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English word brother comes from Proto-Indo-European *bʰreh₂trós, and later Proto-Germanic *brōþēr (Brother.)
*bʰreh₂trós (Proto-Indo-European)
*brōþēr (Proto-Germanic)
Brother.
brōþor (Old English)
broþor (Old English)
Brother.
brother (Middle English)
Brother.
brother (English)
(transitive) To treat as a brother. Expressing exasperation. (African American Vernacular English) A black male.. A male fellow member of a religious community, church, trades union etc.. A male having at least one parent in common with another (see half-brother, stepbrother).. Someone who is a peer, whether male or female.. Son of the same parents as another person.