deartháir

Irish

Alternative forms

• dearbh-bhráthair (obsolete)
• dearbhráthair (obsolete)

Etymology

From Old Irish derbráthair, from derb (“certain”) + bráthair (“brother”), from Proto-Celtic *brātīr, from Proto-Indo-European *bʰréh₂tēr.

Pronunciation

• (Munster) IPA: [dʲɾʲəˈhaːɾʲ]
• (Connacht) IPA: [ˈdʲɾʲɑːhərʲ] (Aran Islands), [ˈdʲɾʲɑːɾʲ] (Cois Fhairrge), [ˈdʲɾʲiçaːɾʲ] (West Connemara, South Mayo), [ˈdʲaɾˠhaɾʲ] (Achill)
• (Ulster) IPA: [ˈdʲaːɾˠhaɾʲ], [ˈdʲaːɾˠhəɾʲ]

Noun

deartháir m (genitive dearthár, nominative plural deartháireacha)

1. brother

Declension

Declension of deartháir

Irregular

Bare forms Case Singular Plural Nominative deartháir deartháireacha Vocative a dheartháir a dheartháireacha Genitive dearthár deartháireacha Dative deartháir deartháireacha

Forms with the definite article Case Singular Plural Nominative an deartháir na deartháireacha Genitive an dearthár na ndeartháireacha Dative leis an deartháir don deartháir leis na deartháireacha

Coordinate terms

• deirfiúr (“sister”)

Mutation

Irish mutation
Radical	Lenition	Eclipsis
deartháir	dheartháir	ndeartháir
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.