Where does “Vesta” come from?

Vesta comes from Middle English Vesta, from Latin Vesta, ultimately from Proto-Indo-European h₂wes-, a root of uncertain meaning.

Ancestry of “Vesta”, step by step

Step	Language	Word	Meaning
1	Middle English	Vesta	—
2	Latin	Vesta	goddess of the hearth
3	Proto-Indo-European	h₂wes-	to dwell, live, reside; to stay, spend the night

Vesta — Etymology, Origin & Word History | Etymology Explorer