From Old English 'brothor' and PIE *bhreh2ter — cognate with Latin 'frater' and Sanskrit 'bhratar,' nearly unchanged.
A male sibling; a man or boy in relation to other children of the same parents.
From Old English 'brōþor,' from Proto-Germanic *brōþēr, from PIE *bʰréh₂tēr. This is another kinship term of extraordinary antiquity, attested across virtually every IE branch: Latin 'frāter,' Greek 'phrātēr' (clansman), Sanskrit 'bhrā́tar-,' Old Irish 'bráthir,' Old Church Slavonic 'bratrŭ.' The initial PIE cluster *bʰr- shows the expected