I thought ops was from opsis and referred to a “circle-like face”? Like oinops, referring to the “wine-like face” (ie dark read) of a sea passage in the evenin

I thought ops was from opsis and referred to a “circle-like face”? Like oinops, referring to the “wine-like face” (ie dark read) of a sea passage in the evening. May be wrong, though, I don’t have my tools handy to check now.