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dadelfennu

to break down

VerbC2/dadɛlˈvɛnɨ̞/

"dadelfennu" means "to break down" in Welsh (verb). Pronounced /dadɛlˈvɛnɨ̞/. Mutation forms: Treiglad Meddal → ddadelfennu, Treiglad Trwynol → nadelfennu.

Mutation forms

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

MutationForm
Base formdadelfennu
Treiglad Meddalddadelfennu
Treiglad Trwynolnadelfennu

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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