Where does “Ναύπακτος” come from?

Ναύπακτος (Greek) comes from Ancient Greek Ναύπακτος, from Ancient Greek ναῦς, from Proto-Indo-European néh₂us, from Proto-Indo-European (s)neh₂- — to swim; to float.

Ναύπακτος (Greek): Naupactus, Lepanto large town in Central Greece

Definitions

Naupactus, Lepanto large town in Central Greece

Ancestry of “Ναύπακτος”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ναύπακτος	Naupactus
2	Ancient Greek	ναῦς	a ship
3	Proto-Indo-European	néh₂us	boat
4	Proto-Indo-European	(s)neh₂-	to swim; to float

Every word from Proto-Indo-European (s)neh₂- →Every word from Proto-Indo-European néh₂us →Every word from Ancient Greek ναῦς →