Where does “-óid” come from?

-óid (Irish) comes from Ancient Greek ὁδός, from Proto-Hellenic *hodós.

Ancestry of “-óid”, step by step

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

-óid — Etymology, Origin & Word History | Etymology Explorer