ceathair

Irish

Irish cardinal numbers

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Cardinal : ceathair     Ordinal : ceathrú     Personal : ceathrar     Attributive : ceithre

Etymology

From Old Irish cethair, from Proto-Celtic *kʷetwores, from earlier Proto-Indo-European *kʷetwóres.

Pronunciation

• IPA^(key): /ˈcahəɾʲ/
• (Cois Fharraige) IPA^(key): /ˈcæɾʲ/

Numeral

ceathair

1. four

Usage notes

• This form is used independently, not with a noun that it modifies. It is always preceded by the particle a.

• a ceathair, a cúig, a sé... ― four, five, six...
• deich a ceathair, deich a cúig, deich a sé... ― fourteen, fifteen, sixteen...
• bus a ceathair ― bus number four
• a ceathair a chlog ― four o’clock

Derived terms

• ceathrú (ordinal)

Related terms

• ceathrar (used to modify personal nouns)
• ceithre (used to modify non-personal nouns)

Mutation

Irish mutation
Radical	Lenition	Eclipsis
ceathair	cheathair	gceathair
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.