Where does “resinoso” come from?

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

resinoso (Spanish): resinous

Definitions

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

resinoso — Etymology, Origin & Word History | Etymology Explorer