Throughout every city and village (κατὰ πόλιν καὶ κώμην)
Lit., by city and village. See on Luk 8:4.
Preaching (κηρύσσων)
Or proclaiming, as a herald. Compare Luk 4:18, and see on 2Pe 2:5.
And the twelve were with him
The were is supplied by the translators. Better, “he himself went about,” etc., “and the twelve (went) with him;” or, as Rev., and with him the twelve.