Irish

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Irish numbers (edit)
 ←  30 40 50  → [a], [b]
4
    Cardinal: daichead, dhá fhichead, ceathracha
    Ordinal: daicheadú, ceathrachadú

Etymology 1

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From Old Irish cethorcho, from Proto-Celtic *kʷeturkont, from Proto-Indo-European *kʷétwr̥dḱomt.

Numeral

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ceathracha m (genitive singular ceathrachad, nominative plural ceathrachaidí)

  1. (Connemara) Synonym of daichead (forty)
Declension
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Declension of ceathracha (fifth declension)
bare forms
case singular plural
nominative ceathracha ceathrachaidí
vocative a cheathracha a cheathrachaidí
genitive ceathrachad ceathrachaidí
dative ceathracha
ceathrachaid (archaic, dialectal)
ceathrachaidí
forms with the definite article
case singular plural
nominative an ceathracha na ceathrachaidí
genitive an cheathrachad na gceathrachaidí
dative leis an gceathracha
leis an gceathrachaid (archaic, dialectal)
don cheathracha
don cheathrachaid (archaic, dialectal)
leis na ceathrachaidí
Derived terms
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Etymology 2

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Noun

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ceathracha

  1. Only used in col ceathracha

Mutation

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Mutated forms of ceathracha
radical lenition eclipsis
ceathracha cheathracha gceathracha

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

Further reading

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