Where does “штопати” come from?

штопати (Serbo-Croatian) comes from German stoppen, from English stop, from English top, from Middle English top, from Old English topp, from Proto-West Germanic *topp, from Proto-Germanic tuppaz, from Proto-Indo-European dumb- — tail, rod, staff, pole, penis; tail, rod, staff,...

Definitions

Ancestry of “штопати”, step by step

штопати traces back through 3 separate lines of ancestry.

via German stoppen

Step	Language	Word	Meaning
1	German	stoppen	to stop; Alternative form of stopfen
2	English	stop	To cease moving; To not continue; To cause to...
3	English	top	The highest or uppermost part of something; A...
4	Middle English	top	The summit or top of something, especially a...
5	Old English	topp	top, summit (of something)
6	Proto-West Germanic	*topp	top, summit, crest
7	Proto-Germanic	tuppaz	tuft, plait; top, summit
8	Proto-Indo-European	dumb-	tail, rod, staff, pole, penis; tail, rod, staff,...

via Dutch stoppen

Step	Language	Word	Meaning
1	Dutch	stoppen	to stop, to halt; to plug; to stuff, to put, to...
2	Middle Dutch	stoppen	—

via Serbo-Croatian de:stopfen

Step	Language	Word	Meaning
1	Serbo-Croatian	de:stopfen	—

Every word from Proto-Indo-European dumb- →Every word from Proto-Germanic tuppaz →Every word from Proto-West Germanic *topp →