Where does “gracchio” come from?

gracchio (Italian) comes from Vulgar Latin graclu(s), from Latin grāculus, from Proto-Indo-European greh₂-k- — croak.

gracchio (Italian): chough; caw; chatter

Definitions

Step	Language	Word	Meaning
1	Vulgar Latin	graclu(s)	—
2	Latin	grāculus	—
3	Proto-Indo-European	greh₂-k-	croak

gracchio — Etymology, Origin & Word History | Etymology Explorer