endless
"diderfyn" means "endless" in Welsh (adjective). Pronounced /diˈdɛrvɨ̞n/. Mutation forms: Treiglad Meddal → ddiderfyn, Treiglad Trwynol → niderfyn.
In Welsh, the first letter of "diderfyn" changes depending on the grammatical context. These are the mutated forms:
| Mutation | Form |
|---|---|
| Base form | diderfyn |
| Treiglad Meddal | ddiderfyn |
| Treiglad Trwynol | niderfyn |
Gadawodd farc ar bawb a oedd yn ei adnabod, drwy ei chwerthin, ei ddeallusrwydd, ei egni diderfyn, a'i allu rhyfeddol i hidio.
He left a mark on everyone who knew him, through his laughter, his intellect, his boundless energy, and his extraordinary capacity to care.
C1Roedd ganddo hiwmor anhygoel, argyhoeddiad anhygoel ac egni diderfyn.
He had incredible humour, incredible conviction and boundless energy.
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