Where does “disvellere” come from?

disvellere (Italian) comes from Italian svellere, from Vulgar Latin exvellere, from Latin vellere, from Latin vello, from Proto-Italic welnō, from Proto-Indo-European welh₃- — to hit, to strike.

Ancestry of “disvellere”, step by step

Step	Language	Word	Meaning
1	Italian	svellere	to eradicate, to root
2	Vulgar Latin	exvellere	—
3	Latin	vellere	ablative singular of vellus; second-person...
4	Latin	vello	I pluck out; I depilate; I pull or tear down; I...
5	Proto-Italic	welnō	to pull, tear
6	Proto-Indo-European	welh₃-	to hit, to strike

Every word from Proto-Indo-European welh₃- →Every word from Proto-Italic welnō →Every word from Latin vello →