Where does “بچ” come from?

بچ (Ottoman Turkish) comes from Hungarian Bécs, from Romanian Viena, from Italian Vienna, from Latin Vindobona, from Gaulish *Windobona.

Ancestry of “بچ”, step by step

StepLanguageWordMeaning
1HungarianBécsvalue, worth, esteem
2RomanianViena
3ItalianVienna
4LatinVindobona
5Gaulish*Windobona
Every word from Gaulish *WindobonaEvery word from Latin VindobonaEvery word from Italian Vienna