Wentzel compared Photius' entry for this headword, which has the gloss ἀπὸ τοῦ νάειν "from [the verb] νάειν ["to dwell"]."
Ναός is a Doric, Thessalian, and Hellenistic Greek form: Ionic νηός , Attic νεώς , Lesbian ναῦος , Spartan ναfός . In Byzantine Greek it can refer to a Christian church building.