Etymology From Laidin (“Latin”) + -achas. Noun Laidneachas m (genitive singular Laidneachais) Synonym of Laidineacht (“Latinity”) Declension More information Case, Singular ... Bare forms (no plural of this noun) Case Singular Nominative Laidneachas Vocative a Laidneachais Genitive Laidneachais Dative Laidneachas Forms with the definite article: Case Singular Nominative an Laidneachas Genitive an Laidneachais Dative leis an Laidneachas don Laidneachas Close Declension of Laidneachas First declension Further reading Ó Dónaill, Niall (1977) “Laidneachas”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN