Where does “gweunydd” come from?

gweunydd (Welsh) comes from Welsh ydd.

Ancestry of “gweunydd”, step by step

gweunydd traces back through two separate lines of ancestry.

via Welsh ydd

StepLanguageWordMeaning
1Welshydd

via Welsh gwaun

StepLanguageWordMeaning
1Welshgwaunmoor, heath
Every word from Welsh ydd
gweunydd — Etymology, Origin & Word History | Etymology Explorer