Where does “arenosus” come from?

arenosus (Latin) comes from Latin arēna, from Latin harēna, from Latin hasena.

Ancestry of “arenosus”, step by step

Step	Language	Word	Meaning
1	Latin	arēna	—
2	Latin	harēna	—
3	Latin	hasena	—

arenosus — Etymology, Origin & Word History | Etymology Explorer