déach

See also: deach

Irish

Etymology 1

From dé- + -ach.

Adjective

déach (genitive singular masculine déach, genitive singular feminine déiche, plural déacha, not comparable)

  1. dual
    Synonyms: dé-, dúbailte
  2. (grammar) dual
Declension
Declension of déach
Singular Plural (m/f)
Positive Masculine Feminine (strong noun) (weak noun)
Nominative déach dhéach déacha;
dhéacha²
Vocative dhéach déacha
Genitive déiche déacha déach
Dative déach;
dhéach¹		 dhéach déacha;
dhéacha²
Comparative (not comparable)
Superlative (not comparable)

¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.

Noun

déach m (genitive singular déigh, nominative plural déigh)

  1. (grammar) dual
Declension
Declension of déach

First declension

Bare forms:

Case Singular Plural
Nominative déach déigh
Vocative a dhéigh a dhéacha
Genitive déigh déach
Dative déach déigh

Forms with the definite article:

Case Singular Plural
Nominative an déach na déigh
Genitive an déigh na ndéach
Dative leis an déach

don déach

 leis na déigh

Noun

déach m (genitive singular déich, nominative plural déich)

  1. (music) second
Declension
Declension of déach

First declension

Bare forms:

Case Singular Plural
Nominative déach déich
Vocative a dhéich a dhéacha
Genitive déich déach
Dative déach déich

Forms with the definite article:

Case Singular Plural
Nominative an déach na déich
Genitive an déich na ndéach
Dative leis an déach

don déach

 leis na déich

Etymology 2

See the etymology of the corresponding lemma form.

Verb

déach

  1. Alternative spelling of d'fhéach

Mutation
Irish mutation
Radical Lenition Eclipsis
déach dhéach ndéach
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading
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