Commentaries:
Robertson's Word Pictures (NT)
Was much perplexed in himself (en eautw dihporei). Imperfect active of diaporew, intensive compound (dia, thoroughly, and a privative and porov, way), to be completely at a loss to know what road to take. Old verb, but in N.T. only in Luke and Acts. Page notes that Luke is singularly fond of verbs compounded with dia. See on Luke 9:7 and Acts 2:12. When out of the ecstasy he was more puzzled than ever.
Might be (an eih). Optative with an in indirect question simply retained from the direct (Robertson, Grammar, pp. 1021, 1044). See Acts 17:18, for the direct and Luke 1:62 for the indirect (an qeloi both times). It is the conclusion of a fourth class condition.
Having made inquiry (dierwthsantev). First aorist active participle of dierwtaw, another compound of dia, to ask one after another, to ask through, old verb, but only here in the N.T. It took diligent inquiry to find the obscure house of Simon the tanner.
Stood before the gate (epesthsan epi ton pulwna). Second aorist active indicative of efisthmi, intransitive. Note repetition of epi. The messengers stopped right at the folding gates of the passage (pulwna) which led from the street to the inner court or house.
Other Robertson's Word Pictures (NT) entries containing Acts 10:17:
Luke 15:26
John 12:22
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