Where does “Вася” come from?

Вася (Russian) comes from Russian Васи́лий, from Ancient Greek βασίλειος, from Ancient Greek βασιλεύς, from Proto-Hellenic gʷatiléus — chief; king.

Ancestry of “Вася”, step by step

Вася traces back through two separate lines of ancestry.

via Russian Васи́лий

StepLanguageWordMeaning
1RussianВаси́лий—
2Ancient Greekβασίλειοςof the king, kingly, royal
3Ancient Greekβασιλεύςchief, master; king, lord, patron
4Proto-Hellenicgʷatiléuschief; king

via Ukrainian Васи́ль

StepLanguageWordMeaning
1UkrainianВаси́ль—

Words derived from “Вася”

Every word from Proto-Hellenic gʷatiléus →Every word from Ancient Greek βασιλεύς →Every word from Ancient Greek βασίλειος →