ἐκμαρτυρεῖν

From LSJ

ἔστι δίκης ὀφθαλμός ὃς τά πανθ' ὁρᾶ → there is an eye of justice that sees everything, all-seeing justice

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἐκμαρτυρέω): bear witness to a thing, bear witness to, bear witness, give evidence