ceathair

Irish

**Irish numbers ^(edit)**
	40^{[a], [b], [c]}
← 3	4	5 →
Cardinal: ceathair Ordinal: ceathrú Personal: ceathrar Attributive: ceithre

ceathair

This form is used independently, not with a noun that it modifies. It is always preceded by the particle a.
- a ceathair, a cúig, a sé... ― four, five, six...
- deich a ceathair, deich a cúig, deich a sé... ― fourteen, fifteen, sixteen...
- bus a ceathair ― bus number four
- a ceathair a chlog ― four o’clock

Mutated forms of *ceathair*
radical	lenition	eclipsis
ceathair	cheathair	gceathair

Note: Certain mutated forms of some words can never occur in standard Modern Irish.
All possible mutated forms are displayed for convenience.

^ Sjoestedt, M. L. (1938), Description d’un parler irlandais de Kerry [Description of an Irish Dialect of Kerry] (in French), Paris: Librairie Ancienne Honoré Champion, section 78, page 68
^ Mhac an Fhailigh, Éamonn (1968), The Irish of Erris, Co. Mayo: A Phonemic Study, Dublin Institute for Advanced Studies, section 552, page 197
^ Wagner, Heinrich (1959), Gaeilge Theilinn: Foghraidheacht, Gramadach, Téacsanna [The Irish of Teelin: Phonetics, Grammar, Texts] (in Irish), Institiúid Ard-Léinn Bhaile Átha Cliath [Dublin Institute for Advanced Studies], section 413, page 152; reprinted 1979
^ Finck, F. N. (1899), Die araner mundart [The Aran Dialect] (in German), Zweiter Band: Wörterbuch [Second volume: Dictionary], Marburg: Elwert’sche Verlagsbuchhandlung, page 169
^ de Bhaldraithe, Tomás (1977), Gaeilge Chois Fhairrge: An Deilbhíocht [The Irish of Cois Fharraige: Accidence] (in Irish), 2nd edition, Institiúid Ard-Léinn Bhaile Átha Cliath [Dublin Institute for Advanced Studies], section 361, page 166