ar aba

From Old Irish apa (“reason, cause”), verbal noun of *ad·ben.

ar aba (plus genitive, triggers no mutation)

1. (literary) on account of

• Ó Dónaill, Niall (1977) “aba”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN
• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “1 apa”, in eDIL: Electronic Dictionary of the Irish Language