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gaeaf

winter

NounMasculine (gwrywaidd)A2/ˈɡeɨ̯av/

"gaeaf" means "winter" in Welsh (masculine noun). Pronounced /ˈɡeɨ̯av/. Mutation forms: Treiglad Meddal → aeaf, Treiglad Trwynol → ngaeaf.

Mutation forms

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

MutationForm
Base formgaeaf
Treiglad Meddalaeaf
Treiglad Trwynolngaeaf

"gaeaf" in context

Rydym ni am wahodd Tom a Mary i'n parti Nos Galan Gaeaf.

We're going to invite Tom and Mary to our Halloween party.

B2

Gwnaeth hi ei gwisg Calan Gaeaf ei hun.

Mary made her own Halloween costume.

A2

Ond, yn amlwg, rydym ni yn mynd i mewn i'r gaeaf rŵan.

But we are getting to the winter now.

A2

Pa gamau fydd Llywodraeth Cymru yn eu cymryd i gefnogi teuluoedd a phlant sy'n byw mewn tlodi yn y Rhondda dros fisoedd yr hydref a'r gaeaf?

What action will the Welsh Government take to support families and children living in poverty in Rhondda over the autumn and winter months?

B2

Mae gwaith tebyg wedi'i gynllunio gyda chwe awdurdod lleol arall dros fisoedd y gaeaf.

Similar work is planned with six further local authorities over the winter months.

B1

Further reading

Welsh Mutations Explained — Soft, Nasal & Aspirate →Welsh Pronunciation — It's Actually Easier Than English →How to Learn Welsh as an Adult — A Step-by-Step Roadmap →Best Apps to Learn Welsh (2026) →Browse all Welsh vocabulary →

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Related Welsh words

Dydd Llun

Monday

Dydd Mawrth

Tuesday

Dydd Mercher

Wednesday

Dydd Iau

Thursday

Dydd Gwener

Friday

Dydd Sadwrn

Saturday

Dydd Sul

Sunday

wythnos

week

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