Where does “*wētha” come from?

*wētha (Old Saxon) comes from Proto-West Germanic waiþu, from Proto-Germanic waiþō, from Proto-Indo-European weyh₁- — to chase, pursue; to suppress, persecute.

Ancestry of “*wētha”, step by step

Step	Language	Word	Meaning
1	Proto-West Germanic	waiþu	wandering, grazing; hunt, chase; pasture
2	Proto-Germanic	waiþō	a hunt, pursuit, chase; a pasture, grassland,...
3	Proto-Indo-European	weyh₁-	to chase, pursue; to suppress, persecute

Every word from Proto-Indo-European weyh₁- →

*wētha — Etymology, Origin & Word History | Etymology Explorer