Where does “Υπήνεμες Νήσοι” come from?

Υπήνεμες Νήσοι (Greek) comes from Greek υπήνεμος, from Ancient Greek ὑπήνεμος.

Ancestry of “Υπήνεμες Νήσοι”, step by step

Step	Language	Word	Meaning
1	Greek	υπήνεμος	leeward
2	Ancient Greek	ὑπήνεμος	—