Where prayer was wont to be made (οὗ ἐνομίζετο προσευχὴ εἶναι)
The best texts read ἐνομίζομεν προσευχὴν, where we supposed there was a place of prayer. The number of Jews in Philippi was small, since it was a military and not a mercantile city; consequently there was no synagogue, but only a proseucha, or praying-place, a slight structure, and often open to the sky. It was outside the gate, for the sake of retirement, and near a stream, because of the ablutions connected with the worship.