Greek word
optánomai
ὀπτάνομαι
What it means
to gaze (i.e. with wide-open eyes, as at something remarkable
to gaze (i.e. with wide-open eyes, as at something remarkable; and thus differing from blépō (βλέπω), which denotes simply voluntary observation; and from eídō (εἴδω), which expresses merely mechanical, passive or casual vision; while theáomai (θεάομαι), and still more emphatically its intensive theōréō (θεωρέω), signifies an earnest but more continued inspection; and skopéō (σκοπέω) a watching from a distance)
Where it comes from
a (middle voice) prolonged form of the primary (middle voice) ; which is used for it in certain tenses; and both as alternate of horáō (ὁράω)