Where does “Macaronesia” come from?

Macaronesia (English) comes from Ancient Greek Μακάρων νῆσοι, from Ancient Greek νῆσος — island.

Ancestry of “Macaronesia”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Μακάρων νῆσοι	—
2	Ancient Greek	νῆσος	island

Macaronesia — Etymology, Origin & Word History | Etymology Explorer