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eolas

knowledge

NounMasculineA1/ˈoːl̪ˠəsˠ/

"eolas" means "knowledge" in Irish (masculine noun). Pronounced /ˈoːl̪ˠəsˠ/. Mutation forms: Urú → n-eolas, Réamhlitir h → heolas, Réamhlitir t → t-eolas.

Mutation forms

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

MutationForm
Base formeolas
Urún-eolas
Réamhlitir hheolas
Réamhlitir tt-eolas

"eolas" in context

Níl aon eolas agam faoin mBéarla.

I have zero knowledge of English.

B1

Tá ainm an chailín sin ar eolas agam.

I know that girl's name.

A2

Mura bhfuil na freagraí ar eolas agat, tomhais.

If you don't know the answers, guess.

B2

Is í an cumarsáid a athraíonn an domhan, ní an t-eolas.

What changes the world is communication, not information.

B1

Tá a hainm ar eolas agat, nach bhfuil?

You know his name, don't you?

B2

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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