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trefnu

to arrange, organise

VerbB1/ˈtrɛvnɨ/

"trefnu" means "to arrange, organise" in Welsh (verb). Pronounced /ˈtrɛvnɨ/. Mutation forms: Treiglad Meddal → drefnu, Treiglad Trwynol → nhrefnu, Treiglad Llaes → threfnu.

Mutation forms

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

MutationForm
Base formtrefnu
Treiglad Meddaldrefnu
Treiglad Trwynolnhrefnu
Treiglad Llaesthrefnu

"trefnu" in context

Ond bydd y Bil hwn yn integreiddio'n well sut mae dysgwyr yn teithio gyda gwasanaethau teithwyr wedi'u trefnu.

But this Bill will better integrate learner travel with scheduled passenger services.

B2

Yn ail, fe fydd trefnu ras milgwn mewn unrhyw leoliad yng Nghymru yn drosedd.

Secondly, it will be an offence to organise a greyhound race anywhere in Wales.

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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