Where does “idiòma” come from?

idiòma (Romagnol) comes from Latin idiōma, from Ancient Greek ἰδίωμα, from Ancient Greek ἰδιοῦσθαι, from Ancient Greek ἴδιος, from Proto-Hellenic *hwédios.

idiòma (Romagnol): language

Definitions

language

Ancestry of “idiòma”, step by step

Step	Language	Word	Meaning
1	Latin	idiōma	idiom style of language
2	Ancient Greek	ἰδίωμα	peculiarity, specific property, unique feature;...
3	Ancient Greek	ἰδιοῦσθαι	to make one's own, appropriate to oneself
4	Ancient Greek	ἴδιος	pertaining to self, that is, one's own; private;...
5	Proto-Hellenic	*hwédios	—

Every word from Proto-Hellenic *hwédios →Every word from Ancient Greek ἴδιος →Every word from Ancient Greek ἰδιοῦσθαι →