Where does “Nouvelle-Galles du Sud” come from?

Nouvelle-Galles du Sud (French) comes from French sud, from Middle French sud, from Old French sud, from Old English sūþ, from Proto-Germanic sunþrą, from Proto-Indo-European sóh₂wl̥ — sun.

Ancestry of “Nouvelle-Galles du Sud”, step by step

StepLanguageWordMeaning
1Frenchsudsouth
2Middle Frenchsudsouth
3Old Frenchsudsouth
4Old Englishsūþsouth
5Proto-Germanicsunþrąsouth; south, southward
6Proto-Indo-Europeansóh₂wl̥sun
Every word from Proto-Indo-European sóh₂wl̥ →Every word from Proto-Germanic sunþrą →Every word from Old English sūþ →