Where does “festīnō” come from?

festīnō (Latin) comes from Latin festinus, from Proto-Indo-European gʷʰen-, from Proto-Indo-European bʰon-.

Ancestry of “festīnō”, step by step

Step	Language	Word	Meaning
1	Latin	festinus	swift, quick, rapid, hasty; impatient; early,...
2	Proto-Indo-European	gʷʰen-	to strike, slay, kill
3	Proto-Indo-European	bʰon-	—

festīnō — Etymology, Origin & Word History | Etymology Explorer