aostach

== Irish == === Etymology === From aosta (“aged, old”) +‎ -ach. === Noun === aostach m (genitive singular aostaigh, nominative plural aostaigh) old person ==== Declension ==== ==== Related terms ==== aostacht f (“oldness; old age”) === Mutation === === References === Ó Dónaill, Niall (1977), “aostach”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN