Where does “arẽal” come from?

arẽal (Old Portuguese) comes from Old Portuguese arẽa, from Latin arēna, from Latin harēna, from Latin hasena.

Ancestry of “arẽal”, step by step

Step	Language	Word	Meaning
1	Old Portuguese	arẽa	sand
2	Latin	arēna	—
3	Latin	harēna	—
4	Latin	hasena	—

arẽal — Etymology, Origin & Word History | Etymology Explorer