Where does “resinosus” come from?

resinosus (Latin) comes from Latin -ōsus, from Old Latin -ōssus.

resinosus (Latin): resinous

Definitions

Step	Language	Word	Meaning
1	Latin	-ōsus	—
2	Old Latin	-ōssus	—

resinosus — Etymology, Origin & Word History | Etymology Explorer