From Wiktionary, the free dictionary
cá huair
- (Ulster) when (interrogative)
- Synonyms: (Munster) cathain, (Connacht) cén uair
- Nashimoto, Kuninao (2020) “cá huair”, 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