ochtódú

== Irish == === Alternative forms === ochtmhoghadadh (superseded) === Etymology === From ochtód- +‎ -ú === Adjective === ochtódú (abbreviated 80ú) eightieth === Mutation === === Further reading === Dinneen, Patrick S. (1904), “oċtṁoġadaḋ”, in Foclóir Gaeḋilge agus Béarla, 1st edition, Dublin: Irish Texts Society, page 524 Ó Dónaill, Niall (1977), “ochtódú”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN