casachtach

Irish

From Classical Gaelic cosachtach,^[1] a derivative of Proto-Celtic *kʷast-, from Proto-Indo-European *kʷeh₂s- (“to cough”). Cognate with Welsh pesychu (“to cough”).

(Munster) IPA^(key): /kəˈsˠɑxt̪ˠəx/^[2]
(Connacht) IPA^(key): /ˈkɑsˠəxt̪ˠəx/^[3]
(Ulster) IPA^(key): /ˈkæsˠæxt̪ˠi/^[4], /ˈkɑsˠɑht̪ˠi/^[5] (corresponding to the dative casachtaigh)

casachtach f (genitive singular casachtaí)

Declension of casachtach (second declension, no plural)

bare forms
	singular
nominative	casachtach
vocative	a chasachtach
genitive	casachtaí
dative	casachtach casachtaigh (archaic, dialectal)

forms with the definite article
	singular
nominative	an chasachtach
genitive	na casachtaí
dative	leis an gcasachtach leis an gcasachtaigh (archaic, dialectal) don chasachtach don chasachtaigh (archaic, dialectal)

Mutated forms of *casachtach*
radical	lenition	eclipsis
casachtach	chasachtach	gcasachtach

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

^ Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “cosachtach”, in eDIL: Electronic Dictionary of the Irish Language
^ Sjoestedt, M. L. (1931) Phonétique d’un parler irlandais de Kerry [Phonetics of an Irish Dialect of Kerry] (in French), Paris: Librairie Ernest Leroux, § 266, page 134
^ Finck, F. N. (1899) Die araner mundart [The Aran Dialect] (in German), Zweiter Band: Wörterbuch [Second volume: Dictionary], Marburg: Elwert’sche Verlagsbuchhandlung, page 148
^ 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], § 149 note 2, page 55; reprinted 1979
^ Hughes, A. J. (1986) The Gaelic of Tangaveane and Commeen, County Donegal (texts, phonology, aspects of grammar and a vocabulary) (doctoral thesis), Faculty of Arts, Queen’s University of Belfast, page 422