blas.
Dictionary
BlogAbout

dechrau

to begin

VerbA1/ˈdɛχraɨ̯/

“dechrau” means “to begin” in Welsh (verb). Pronounced /ˈdɛχraɨ̯/. Mutation forms: Treiglad Meddal → ddechrau, Treiglad Trwynol → nechrau.

Mutation forms

In Welsh, the first letter of “dechrau” changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formdechrau
Treiglad Meddalddechrau
Treiglad Trwynolnechrau

When does “dechrau” mutate?

cyn— before (conjunction, triggers treiglad meddal on verb-noun)

dechrau→cyn ddechrau(before starting)

“dechrau” in context

Mae'r ffilm yn dechrau mewn pum munud.

The movie starts in five minutes.

A2

Dw i'n dechrau yfory.

I begin tomorrow.

A1

Pan fyddwch chi’n dechrau ar eich taith mewn gorsaf lle mae cyfleustera prynu tocynnau ar gael, eich cyfrifoldeb chi yw prynu/ysgogi tocyn dilys ar gyfer y daith cyn mynd ar y trên.

When starting your journey at a station where ticket buying facilities are available, it is your responsibility to buy or activate a valid ticket for the journey before boarding a train.

C1

Dylech chi dechrau dysgu Ffrangeg.

You should start learning French.

A2

Dylai'r rheolwr cyllid newydd fod wedi dechrau erbyn hyn.

The new finance manager should have started by now.

C1

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 →

Learn “dechrau” and 3,000+ Welsh words

blas. teaches vocabulary with spaced repetition — including mutation drilling, example sentences, and pronunciation. Free to start.

Start learning Welsh

Related Welsh words

gorffen

to end

gwneud

to do

parhau

to prolong

aros

to wait

cynrychioli

to present

cyflwyno

to present

dioddef

to suffer

disgwyl

to wait

blas.
Learn WelshBlogPrivacy