Where does “Wiedeń” come from?

Wiedeń (Polish) comes from Czech Vídeň, from Latin Vedunia, from Proto-Celtic widus, from Proto-Indo-European h₁weydʰh₁-, from Proto-Indo-European dwi-, from Proto-Indo-European dwóh₁ — two.

Ancestry of “Wiedeń”, step by step

Step	Language	Word	Meaning
1	Czech	Vídeň	—
2	Latin	Vedunia	—
3	Proto-Celtic	widus	wood, trees
4	Proto-Indo-European	h₁weydʰh₁-	to separate, divide
5	Proto-Indo-European	dwi-	two; apart, asunder
6	Proto-Indo-European	dwóh₁	two

Words derived from “Wiedeń”

wiedeński

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Indo-European dwi- →Every word from Proto-Indo-European h₁weydʰh₁- →