chestnut trees
"castanwydd" means "chestnut trees" in Welsh (masculine noun). Pronounced /kasˈdanwɨ̞ð/. Mutation forms: Treiglad Meddal → gastanwydd, Treiglad Trwynol → nghastanwydd, Treiglad Llaes → chastanwydd.
In Welsh, the first letter of "castanwydd" changes depending on the grammatical context. These are the mutated forms:
| Mutation | Form |
|---|---|
| Base form | castanwydd |
| Treiglad Meddal | gastanwydd |
| Treiglad Trwynol | nghastanwydd |
| Treiglad Llaes | chastanwydd |
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