The way I have seen it –
It’s gwen when used as an adjective:
Dw i’n gweld cath gwen (I see a white cat)
As an adverb it gets mutated:
Mae’r gath yn wen (The cat is white)
I hope that’s correct.
The way I have seen it –
It’s gwen when used as an adjective:
Dw i’n gweld cath gwen (I see a white cat)
As an adverb it gets mutated:
Mae’r gath yn wen (The cat is white)
I hope that’s correct.