aerthacht

== Irish == === Etymology === From aertha (“light-headed, giddy; simple-minded, silly”) +‎ -acht. === Noun === aerthacht f (genitive singular aerthachta) light-headedness simple-mindedness, silliness ==== Declension ==== === Mutation === === Further reading === Ó Dónaill, Niall (1977), “aerthacht”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN