frithionsaí

== Irish == === Etymology === From frith- (“anti-, counter-”) +‎ ionsaí (“advance, approach, attack”, noun). === Noun === frithionsaí m (genitive singular frithionsaithe, nominative plural frithionsaithe) verbal noun of frithionsaigh counter-attack ==== Declension ==== === Mutation === === Further reading === Ó Dónaill, Niall (1977), “frithionsaí”, in Foclóir Gaeilge–Béarla [Irish–English Dictionary], Dublin: An Gúm, →ISBN