Where does “Norwegia” come from?

Norwegia (Polish) comes from Latin Norwegia, from Old Norse Norvegr, from Old Norse Norðvegr, from Old Norse norðr, from Proto-Germanic nurþrą, from Proto-Germanic nurþraz, from Proto-Indo-European *nér — below the surface, below.

Ancestry of “Norwegia”, step by step

StepLanguageWordMeaning
1LatinNorwegia—
2Old NorseNorvegrnorth way
3Old NorseNorðvegr—
4Old Norsenorðrnorth; north, northward
5Proto-Germanicnurþrąnorth, northern; north, northward
6Proto-Germanicnurþraznorth, northern
7Proto-Indo-European*nérbelow the surface, below
Every word from Proto-Indo-European *nér →Every word from Proto-Germanic nurþraz →Every word from Proto-Germanic nurþrą →