Where does “volere” come from?

volere (Vulgar Latin) comes from Latin velle, from Proto-Italic welō, from Proto-Indo-European welh₁- — to choose; to want.

Ancestry of “volere”, step by step

Step	Language	Word	Meaning
1	Latin	velle	present active infinitive of volō; wish, intend;...
2	Proto-Italic	welō	to want, will
3	Proto-Indo-European	welh₁-	to choose; to want

volere — Etymology, Origin & Word History | Etymology Explorer