Commentaries:
Robertson's Word Pictures (NT)
Because that of long time he had amazed them with his sorceries (dia to ikanw xronw taiv magiaiv ecestakenai autouv). Causal use of dia with the accusative articular infinitive (perfect active Koin‚ form and transitive, ecestakenai). Same verb as in verse Acts 8:9 participle ecistanwn and in verse Acts 8:13 imperfect passive ecistato (cf. also Acts 2:7 already). Xronw is associative instrumental and magiaiv instrumental case.
Other Robertson's Word Pictures (NT) entries containing Acts 8:11:
Matthew 2:1
Luke 23:8
Acts 8:6
Acts 13:6
Acts 13:19
Acts 18:18
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