Where does “veltro” come from?

veltro (Italian) comes from Old French veltre, from Latin vertragus, from Proto-Celtic uɸor-, from Proto-Indo-European upér, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

veltro (Italian): greyhound

Definitions

greyhound

Ancestry of “veltro”, step by step

Step	Language	Word	Meaning
1	Old French	veltre	hunting dog
2	Latin	vertragus	—
3	Proto-Celtic	uɸor-	over, super-
4	Proto-Indo-European	upér	above; over
5	Proto-Indo-European	upó	under, below
6	Proto-Indo-European	h₃ewp-	—

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Indo-European upér →