Where does “vatche” come from?

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

vatche (Walloon): cow

Definitions

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

vatche — Etymology, Origin & Word History | Etymology Explorer