G0584–ἀποδείκνυμι–apodeiknumi

"Men of Israel, hear these words! Jesus of Nazareth, a man approved by God to you by mighty works and wonders and signs which God did by him in the midst of you, even as you yourselves know,

ἀποδεδειγμένον apodedeigmenon “set forth”

When he had come, the Jews who had come down from Jerusalem stood around him, bringing against him many and grievous charges which they could not prove,

ἀποδεῖξαι, apodeixai “to prove,”

For, I think that God has displayed us, the apostles, last of all, like men sentenced to death. For we are made a spectacle to the world, both to angels and men.

ἀπέδειξεν apedeixen “has exhibited”

he who opposes and exalts himself against all that is called God or that is worshiped; so that he sits as God in the temple of God, setting himself up as God.

ἀποδεικνύντα apodeiknunta “setting forth”