G1991–ἐπιστηρίζω–epistērizō

establishing the souls of the disciples, exhorting them to abide in the faith, and that through many tribulations we must enter into the kingdom of God.

ἐπιστηρίζοντες epistērizontes “strengthening”

And Judas and Silas, being themselves also prophets, exhorted the brethren with much discourse, and strengthened them.

ἐπεστήριξαν. epestērixan “strengthened [them].”

And he passed through Syria and Cilicia, confirming the assemblies.

ἐπιστηρίζων epistērizōn “strengthening”

And having stayed [ergänzt: there] some time, he went forth, passing in order through the country of Galatia and Phrygia, establishing all the disciples.

ἐπιστηρίζων epistērizōn “strengthening”