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bos

the flattened

NounFeminineB2/ˈbˠɞsˠ/

"bos" means "the flattened" in Irish (feminine noun). Pronounced /ˈbˠɞsˠ/. Mutation forms: Séimhiú → bhos, Urú → mbos.

Mutation forms

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

MutationForm
Base formbos
Séimhiúbhos
Urúmbos

"bos" in context

Thosaigh an slua ag liú agus ag bualadh bos.

The crowd started yelling and clapping.

B1

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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