Where does “vache” come from?

vache (Middle French) comes from Old French vache, from Latin vacca, from Proto-Indo-European wokeh₂-.

vache (Middle French): cow

Definitions

Step	Language	Word	Meaning
1	Old French	vache	cow
2	Latin	vacca	cow
3	Proto-Indo-European	wokeh₂-	—

vache — Etymology, Origin & Word History | Etymology Explorer