interjection (probably not Irish, but a version of the Greek exclamation of surprise βαβαι; cf. in continental word-lists babe admiratio est and babe ammiratio) wow!, whew!
Stud. Celt. xxiv/xxv 56
, Celtica xxv 93
:
b.¤ interiacht adbligthe de nomine bainb
Bris maic Eladain, ar nī raibe i nĒre muc bud grátu.
Babgither didiu a hainm-side,
Corm. Y 118.