Where does “비엔나” come from?

비엔나 (Korean) comes from English Vienna, from German Wien, from Middle High German Wienne, from Old High German Wienna, from Latin Vedunia, from Proto-Celtic widus, from Proto-Indo-European h₁weydʰh₁-, from Proto-Indo-European dwi- — two.

Ancestry of “비엔나”, step by step

StepLanguageWordMeaning
1EnglishVienna—
2GermanWienVienna
3Middle High GermanWienne—
4Old High GermanWienna—
5LatinVedunia—
6Proto-Celticwiduswood, trees
7Proto-Indo-Europeanh₁weydʰh₁-to separate, divide
8Proto-Indo-Europeandwi-two; apart, asunder
9Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Indo-European dwi- →Every word from Proto-Indo-European h₁weydʰh₁- →