Where does “oneiric” come from?

oneiric (English) comes from Ancient Greek ὀνείρειος, from Ancient Greek -εῖος, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

oneiric (English): Of or pertaining to dreams; Resembling a dream;...

Definitions

Of or pertaining to dreams; Resembling a dream;...

Ancestry of “oneiric”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ὀνείρειος	pertaining to dreams
2	Ancient Greek	-εῖος	Forms adjectives, usually with a meaning of "of"...
3	Proto-Indo-European	-iHwós	—
4	Proto-Indo-European	-wós	Creates adjectives from verb stems

Words derived from “oneiric”

oneirically

Every word from Proto-Indo-European -wós →Every word from Ancient Greek -εῖος →Every word from Proto-Indo-European -iHwós →