From Wiktionary, the free dictionary
Literally, “good thing”.
peth da m (plural pethau da)
- Used other than figuratively or idiomatically: see peth, da.
- (North Wales, Anglesey) sweet, candy
- Synonyms: da-da, fferins, losinen, melys, minceg
Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.