Where does “naos” come from?

naos (Romanian) comes from Greek ναός, from Ancient Greek ναός, from Proto-Hellenic nahwós, from Proto-Indo-European nes- — to return home.

naos (Romanian): nave

Definitions

Step	Language	Word	Meaning
1	Greek	ναός	place of worship: church, temple, mosque,...
2	Ancient Greek	ναός	a temple; innermost part of a temple, sanctuary,...
3	Proto-Hellenic	nahwós	—
4	Proto-Indo-European	nes-	to return home