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tu

side

NounMasculine (gwrywaidd)A1/tɨː/

"tu" means "side" in Welsh (masculine noun). Pronounced /tɨː/. Mutation forms: Treiglad Meddal → du, Treiglad Trwynol → nhu, Treiglad Llaes → thu.

Mutation forms

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

MutationForm
Base formtu
Treiglad Meddaldu
Treiglad Trwynolnhu
Treiglad Llaesthu

"tu" in context

'Rwyf tu ôl iddo.

I'm behind him.

A2

Mae hi'n bwrw glaw tu allan.

It's raining outside.

B1

Roedd hi'n oer tu allan.

It was cold outside.

B1

Rwy'n falch iawn o weld hynny, oherwydd y tu hwnt i hynny, gwyddom fod angen inni barhau i adeiladu mwy o gartrefi, gwyddom fod angen inni ddarparu mwy o gartrefi, a dyna pam fod hynny mor bwysig.

I'm really pleased to see that, because, beyond that, we know we need to keep building more homes, we know we need to be delivering more homes, and that's why that is so important.

C1

Sut y bydd y galw ychwanegol am addysg cyfrwng Cymraeg yn cael ei ddiwallu yn y cyfamser, a pha ddarpariaethau sydd ar waith os yw'r oedi yn ymestyn y tu hwnt i ddwy flynedd?

How will the additional demand for Welsh-medium education be met in the interim, and what provisions are in place if the delay extends beyond two years?

B2

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

ffurf

form

ffynhonnell

source

ystod

range

ychydig

little

ochr

side

aelod

limb

blaen

tip

canol

centre

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