For the footstool of our God— Rather even for the footstool of our God. See Lamentations 2:1.
Related Commentaries of 1 Chronicles 28:2
1 Chronicles 28:2
2 Then David the king stood up upon his feet, and said, Hear me, my brethren, and my people: As for me, I had in mine heart to build an house of rest for the ark of the covenant of the LORD, and for the footstool of our God, and had made ready for the building: