Between the Lord and you As a mediator, according to your desire. The word of the Lord Moses does not mean the ten commandments, which God himself had uttered, but the other statutes and judgments following them.
Related Commentaries of Deuteronomy 5:5
Deuteronomy 5:5
5 (I stood between the LORD and you at that time, to shew you the word of the LORD: for ye were afraid by reason of the fire, and went not up into the mount;) saying,