cathain

== Irish == === Etymology === From Classical Gaelic cá chuin, from Old Irish cíachuin (literally “what when?”), from cía + cuin. === Pronunciation === IPA(key): /ˈkahənʲ/ === Adverb === cathain (followed by the direct relative) (Munster) when (interrogative) Synonyms: (Ulster) cá huair, (Connacht) cén uair === References === === Further reading === Dinneen, Patrick S. (1927), “caṫain?”, in Foclóir Gaeḋilge agus Béarla [Irish and English Dictionary], 2nd edition, Dublin: Irish Texts Society, page 169; reprinted with additions 1996, →ISBN Ó Dónaill, Niall (1977), “cathain”, in Foclóir Gaeilge–Béarla [Irish–English Dictionary], Dublin: An Gúm, →ISBN Nashimoto, Kuninao (2020), “cathain”, in ニューエクスプレスプラス アイルランド語 [Nyūekusupuresu Purasu Airurando-go, New Express Irish] (in Japanese), Tokyo: Hakusuisha, →ISBN, pages 17–19