7. upon the first day of the week, when the disciples came
together--This, compared with
1Co 16:2,
and other similar allusions, plainly indicates that the Christian
observance of the day afterwards distinctly called "the Lord's Day,"
was already a fixed practice of the churches.
Paul preached--discoursed. The tense implies continued
action--"kept discoursing."
JFB.
Picture Study Bible