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Definition 2024

deirfiúr f ‎(genitive singular deirféar, nominative plural deirfiúracha)

Declension of deirfiúr

Irregular

Bare forms

Case	Singular	Plural
Nominative	deirfiúr	deirfiúracha
Vocative	a dheirfiúr	a dheirfiúracha
Genitive	deirféar	deirfiúracha
Dative	deirfiúr deirfír (archaic, dialectal)	deirfiúracha

Case	Singular	Plural
Nominative	an deirfiúr	na deirfiúracha
Genitive	na deirféar	na ndeirfiúracha
Dative	leis an deirfiúr leis an deirfír (archaic, dialectal) don deirfiúr don deirfír (archaic, dialectal)	leis na deirfiúracha

Irish mutation
Radical	Lenition	Eclipsis
deirfiúr	dheirfiúr	ndeirfiúr
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

From Old Irish derbṡiur, from derb ‎(“certain”) +‎ siur ‎(“sister”), from Proto-Celtic *swesūr, from Proto-Indo-European *swésōr.

(Munster) IPA^(key): /dʲɾʲəˈfˠuːɾˠ/ (as if spelled driofúr)
(Aran) IPA^(key): /ˈdʲɾʲauhəɾˠ/ (as if spelled dreabhthar)
(Cois Fhairrge) IPA^(key): /ˈdʲɾʲauɾˠ/ (as if spelled dreabhthar)
(West Connemara, South Mayo) IPA^(key): /ˈdʲɾʲɛhuːɾˠ/ (as if spelled dreithiúr)
(Achill) IPA^(key): /ˈdʲɛɾʲəfʲəɾˠ/ (as if spelled deirfear)
(Ulster) IPA^(key): /ˈdʲɛɾʲəfʲaɾˠ/, /ˈdʲɛɾʲəfʲəɾˠ/ (as if spelled deirfeár or deirfear)