Where does “stuppon” come from?

stuppon (Old Dutch) comes from Proto-Germanic stuppōną, from Proto-Indo-European (s)tewb-, from Proto-Indo-European (s)tew- — to push, to hit.

Ancestry of “stuppon”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	stuppōną	to stop; to close
2	Proto-Indo-European	(s)tewb-	to push, hit; to push; stick; to push, butt,...
3	Proto-Indo-European	(s)tew-	to push, to hit

stuppon — Etymology, Origin & Word History | Etymology Explorer