Where does “sinonimico” come from?

sinonimico (Italian) comes from Italian sinonimo, from Latin synōnymum, from Ancient Greek συνώνυμος, from Ancient Greek σῠν-, from Ancient Greek σύν, from Proto-Hellenic *ksún — beside, with.

sinonimico (Italian): synonymic

Definitions

synonymic

Ancestry of “sinonimico”, step by step

Step	Language	Word	Meaning
1	Italian	sinonimo	synonymous; synonym
2	Latin	synōnymum	synonym
3	Ancient Greek	συνώνυμος	Having the same name; Having only one meaning:...
4	Ancient Greek	σῠν-	together; with, together
5	Ancient Greek	σύν	beside, with
6	Proto-Hellenic	*ksún	beside, with

Every word from Proto-Hellenic *ksún →Every word from Ancient Greek σῠν- →Every word from Ancient Greek σύν →