Where does “Fabio” come from?

Fabio (Italian) comes from Latin Fabius, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “Fabio”, step by step

Step	Language	Word	Meaning
1	Latin	Fabius	of or pertaining to the gens Fabia
2	Latin	-ius	forming adjectives from nouns; nominative neuter...
3	Proto-Italic	-jōs	Forms comparative adjectives
4	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Words derived from “Fabio”

Fabio
Fabio
Di Fabio

Every word from Proto-Indo-European -yós →Every word from Latin -ius →Every word from Proto-Italic -jōs →