Where does “*бъ́дьнꙗ” come from?

*бъ́дьнꙗ (Old East Slavic) comes from Proto-Slavic *bъ̀dьňa, from Vulgar Latin *budina, from Latin butina, from Ancient Greek πῡτῑ́νη — flask.

Ancestry of “*бъ́дьнꙗ”, step by step

StepLanguageWordMeaning
1Proto-Slavic*bъ̀dьňatub, cask (vessel for storing things)
2Vulgar Latin*budina—
3Latinbutinaa bound, limit; bottle; limit, boundary
4Ancient Greekπῡτῑ́νηflask
Every word from Ancient Greek πῡτῑ́νη →Every word from Latin butina →Every word from Vulgar Latin *budina →