black-backed
"cefnddu" means "black-backed" in Welsh (adjective). Pronounced /ˈkɛvnðɨ̞/. Mutation forms: Treiglad Meddal → gefnddu, Treiglad Trwynol → nghefnddu, Treiglad Llaes → chefnddu.
In Welsh, the first letter of "cefnddu" changes depending on the grammatical context. These are the mutated forms:
| Mutation | Form |
|---|---|
| Base form | cefnddu |
| Treiglad Meddal | gefnddu |
| Treiglad Trwynol | nghefnddu |
| Treiglad Llaes | chefnddu |
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