G0584–ἀποδείκνυμι–apodeiknumi

Men of Israel, hear these words: Jesus the Nazaraean, a man borne witness to by God to you by works of power and wonders and signs, which God wrought by him in your midst, as yourselves know

ἀποδεδειγμένον apodedeigmenon “set forth”

And when he was come, the Jews who were come down from Jerusalem stood round, bringing many and grievous charges which they were not able to prove:

ἀποδεῖξαι, apodeixai “to prove,”

For I think that God has set us the apostles for the last, as appointed to death. For we have become a spectacle to the world, both to angels and men.

ἀπέδειξεν apedeixen “has exhibited”

who opposes and exalts himself on high against all called God, or object of veneration; so that he himself sits down in the temple of God, shewing himself that he is God.

ἀποδεικνύντα apodeiknunta “setting forth”