The story
Attested classically as -ωπία in a few words, such as ἀμβλυωπία (ambluōpía). Apparently equivalent to -οψία (-opsía). By surface analysis, -ope + -ia.
Etymology from Wiktionary, CC BY-SA 4.0.
-opia
Today it means: vision (used to form names of visual defects) Full definition →