aostacht

== Irish == === Etymology === From aosta (“aged, old”) +‎ -acht (abstract nominal suffix). === Noun === aostacht f (genitive singular aostachta) oldness; old age ==== Declension ==== ==== Related terms ==== aostach m (“old person”) === Mutation === === References === Ó Dónaill, Niall (1977), “aostacht”, in Foclóir Gaeilge–Béarla [Irish–English Dictionary], Dublin: An Gúm, →ISBN