Where does “ἐξόδιον” come from?

ἐξόδιον (Ancient Greek) comes from Ancient Greek Ἔξοδος, from Ancient Greek ὁδός, from Proto-Hellenic *hodós.

Ancestry of “ἐξόδιον”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἔξοδος	—
2	Ancient Greek	ὁδός	threshold; road, path, way; journey, trip,...
3	Proto-Hellenic	*hodós	—

ἐξόδιον — Etymology, Origin & Word History | Etymology Explorer