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atgyfnerthu

to reinforce

VerbC1

"atgyfnerthu" means "to reinforce" in Welsh (verb). Mutation forms: Treiglad Llaes → hatgyfnerthu.

Mutation forms

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

MutationForm
Base formatgyfnerthu
Treiglad Llaeshatgyfnerthu

"atgyfnerthu" in context

Felly, Trefnydd, mae angen atgyfnerthu'r sector twristiaeth, nid ei reoleiddio ymhellach.

So, Trefnydd, the tourism sector needs reinforcement, not further regulation.

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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