Where does “gwyrdh” come from?

gwyrdh (Cornish) comes from Latin viridis, from Latin vireō, from Latin -idae.

gwyrdh (Cornish): green

Definitions

Step	Language	Word	Meaning
1	Latin	viridis	green; young, fresh, lively, youthful
2	Latin	vireō	—
3	Latin	-idae	—

gwyrdh — Etymology, Origin & Word History | Etymology Explorer