Where does “sinonima” come from?

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

sinonima (Ido): synonymous

Definitions

synonymous

Ancestry of “sinonima”, step by step

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

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