as I may so say - to preclude what he is about to say being taken in the mere literal sense; I may say that, virtually, Levi, in the person of his father Abraham, acknowledged Melchisedec’s superiority, and paid tithes to him.
who receiveth tithes - (Compare Heb 7:5).
in Abraham - Greek, “by means of (by the hand of) Abraham”; through Abraham. “Paid tithes,” literally, “hath been tithed,” that is, been taken tithes of.