Probably from optanomai (through the idea of sharpness of vision); a snake, figuratively, (as a type of sly cunning) an artful malicious person, especially Satan -- serpent.

see GREEK optanomai

ὄφεις (opheis) − 3 Occurrences

ὄφεσιν (ophesin) − 1 Occurrence

ὄφεων (opheōn) − 2 Occurrences

ὄφιν (ophin) − 3 Occurrences

ὄφις (ophis) − 4 Occurrences