Where does “invir(i)descere” come from?

invir(i)descere (Latin) comes from Latin viridesco, from Latin viridis, from Latin vireō, from Latin -idae.

Ancestry of “invir(i)descere”, step by step

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

invir(i)descere — Etymology, Origin & Word History | Etymology Explorer