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a deich

ten (10)

numeralA1

"a deich" means "ten (10)" in Irish (numeral). Mutation forms: Urú → n-a deich, Réamhlitir h → ha deich, Réamhlitir t → t-a deich.

Mutation forms

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

MutationForm
Base forma deich
Urún-a deich
Réamhlitir hha deich
Réamhlitir tt-a deich

"a deich" in context

"Cén t-am é anois?" "Tá sé a deich a chlog."

"What time is it now?" "It's ten o'clock."

A2

Tá sé a deich a chlog.

It's ten o'clock.

A2

A haon, a dó, a trí, a ceathair, a cúig, a sé, a seacht, a hocht, a naoi, a deich.

One, two, three, four, five, six, seven, eight, nine, ten.

B2

Ceithre nóiméad chun a deich.

Four minutes to ten.

B1

Tá sé deich mbomaite chun a deich.

It is ten minutes to ten.

A2

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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Related Irish words

a haon

one (1)

a dó

two (2)

a trí

three (3)

a ceathair

four (4)

a cúig

five (5)

a sé

six (6)

a seacht

seven (7)

a hocht

eight (8)

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