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arddu

darkness

NounMasculine (gwrywaidd)C2/ˈarðɨ̞/

"arddu" means "darkness" in Welsh (masculine noun). Pronounced /ˈarðɨ̞/. Mutation forms: Treiglad Llaes → harddu.

Mutation forms

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

MutationForm
Base formarddu
Treiglad Llaesharddu

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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