Origin of BrianCelt, uncertain or unknown; perhaps strong
(third-person singular simple present brians, present participle brianing, simple past and past participle brianed)
From English dialectal, probably variant of brine (“to burn”), from brine (“a burning”), from Middle English brüne (“a burn, a burning”), from Old English bryne (“a burning, conflagration, fire, flame, heat, inflammation, burn, scald, torch, fervor, passion”), from Proto-Germanic *bruniz (“fire, burning”), from Proto-Indo-European *bʰrenu- (“burn, fire”). Cognate with Scots brin (“a flash”), Scots brin, bryne (“to be on fire, be inflamed, burn”), Old Norse bruni (“fire, burning”). More at burn.