Where does “celero” come from?

celero (Latin) comes from Latin celer, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “celero”, step by step

Step	Language	Word	Meaning
1	Latin	celer	fast, swift, quick, speedy, fleet
2	Proto-Indo-European	ḱel-	to cover; to incline

celero — Etymology, Origin & Word History | Etymology Explorer