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cathaoir

seat

NounFeminineB1/kɑˈhiːɾʲ/

"cathaoir" means "seat" in Irish (feminine noun). Pronounced /kɑˈhiːɾʲ/. Mutation forms: Séimhiú → chathaoir, Urú → gcathaoir.

Mutation forms

In Irish, the first letter of "cathaoir" changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formcathaoir
Séimhiúchathaoir
Urúgcathaoir

When does "cathaoir" mutate?

faoi— under/about (triggers séimhiú)

cathaoir→faoi chathaoir(under a chair)

"cathaoir" in context

Tá cathaoir ansin.

There is a chair there.

A1

Further reading

Irish Mutations: Complete Guide to Séimhiú and Urú →Irish Pronunciation, The System Behind the Spelling →How to Learn Irish as an Adult, A Step-by-Step Roadmap →Best Irish Learning App 2026 →Browse all Irish vocabulary →

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