teens
"arddegau" means "teens" in Welsh (masculine noun). Mutation forms: Treiglad Llaes → harddegau.
In Welsh, the first letter of "arddegau" changes depending on the grammatical context. These are the mutated forms:
| Mutation | Form |
|---|---|
| Base form | arddegau |
| Treiglad Llaes | harddegau |
Dechreuodd ymrwymiad Hefin i'r Blaid Lafur yn ei arddegau, gan ddilyn yn ôl troed ei dad.
Hefin's commitment to the Labour Party began in his teenage years, following in his father's footsteps.
C1Ond a yw hyn yn cael ei gynnal trwy addysg yn yr arddegau?
But is this maintained through education in teenage years?
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