Claochluithe tosaigh i ndiaidh an ailt sa tuiseal ginideach
Initial mutations on Irish nouns after the article in the genitive case
Ainmfhocail bhaninscneacha san uimhir uatha
Feminine nouns in the singular
Patrún: [na] + [ainmfhocal sa tuiseal ginideach]
Pattern: [na] + [noun in the genitive case]
Braitheann claochlú tosaigh ar thúslitir an ainmfhocail.
Intial mutation depends on the noun's initial letter.
Ainmfhocail dar tús guta
Nouns beginning with a vowel
Claochlú: cuirtear h roimh an ainmfhocal.
Mutation: prepend h to the noun
eaglaise (of a church) > na heaglaise (of the church)
Ainmfhocail dar tús consan
Nouns beginning with a consonant
Gan chlaochlú.
No mutation.
bróige (of a shoe) > na bróige (of the shoe)
Ainmfhocail fhirinscneacha san uimhir uatha
Masculine nouns in the singular
Patrún: [an] + [ainmfhocal sa tuiseal ginideach]
Pattern: [an] + [noun in the genitive case]
Braitheann claochlú tosaigh ar thúslitir an ainmfhocail.
Intial mutation depends on the noun's initial letter.
Ainmfhocail dar tús guta
Nouns beginning with a vowel
Gan chlaochlú.
No mutation.
éin (of a bird) > an éin (of the bird)
Ainmfhocail dar tús b, c, f, g, m, p (.i. gach consan ar féidir séimhiú a chur air ach amháin d, s, t)
Nouns beginning with b, c, f, g, m, p (i.e., all the aspirable consonants except d, s, t)
Claochlú: séimhiú.
Mutation: aspiration (lenition).
cait (of a cat) > an chait (of the cat)
Ainmfhocail dar tús d, t, l, n, r
Nouns beginning with d, t, l, n, r
Gan chlaochlú.
No mutation.
dorais (of a door) > an dorais (of the door)
(Cé gur féidir séimhiú a chur ar d agus t i bprionsabal, ní shéimhítear iad sa chás seo.)
(Although d and t can be aspirated in principle, they are not aspirated in this case.)
Ainmfhocail dar tús sl, sn, sr, s + guta
Nouns beginning with sl, sn, sr, s + vowel
Claochlú: cuirtear t roimh an s.
Mutation: prepend t to the s.
sleamhnáin (of a slide/slipway) > an tsleamhnáin (of the slide/slipway)
Ainmfhocail dar tús sc, sl, sm, sp, st
Nouns beginning with sc, sl, sm, sp, st
Gan chlaochlú.
No mutation.
scannáin (of a film) > an scannáin (of the film)
Ainmfhocail dar tús sb, sd, sf, sg, sh, ss
Nouns beginning with sb, sd, sf, sg, sh, ss
Níl aon fhocail sa teanga a thosaíonn ar na consain seo.
There are no such words in Irish.
Ainmfhocail an dá hinscne san uimhir iolra
Nouns of both genders in the plural
Ainmfhocail dar tús guta
Nouns beginning with a vowel
Claochlú: cuirtear n- roimh an ainmfhocal.
Mutation: prepend n- to the noun
eaglaisí (of churches) > na n-eaglaisí (of the churches)
Ainmfhocail dar tús consan
Nouns beginning with a consonant
Claochlú: urú.
Mutation: eclipsis.
cat (of cats) > na gcat (of the cats)
Michal Boleslav Měchura
valselob@hotmail.com