- bu
- was, Irish budh, Old Irish by: Proto-Gaelic *bu for a Celtic bu-t; Greek $$Ge$$`/fu ( $$Gu long), aorist tense; Latin fuit; Sanskrit ábhût, was; Indo-European é-bhû-t. The root is bheu, bhu; English be, etc. Both Gaelic and Irish aspirate, which shows the t of the 3rd sing. disappeared early.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.