Where does “Вилнюс” come from?

Вилнюс (Bulgarian) comes from Lithuanian Vìlnius, from Lithuanian vilnis — wave.

Ancestry of “Вилнюс”, step by step

StepLanguageWordMeaning
1LithuanianVìlnius—
2Lithuanianvilniswave
Every word from Lithuanian vilnis →Every word from Lithuanian Vìlnius →