Where does “Gallia Narbonensis” come from?

Gallia Narbonensis (Latin) comes from Latin Narbō, from Ancient Greek Ναρβαῖοι.

Gallia Narbonensis (Latin): Narbonnian Gaul

Definitions

Step	Language	Word	Meaning
1	Latin	Narbō	—
2	Ancient Greek	Ναρβαῖοι	—

Gallia Narbonensis — Etymology, Origin & Word History | Etymology Explorer