Matthew Poole and continuators on Ezekiel 40:7

7 And every little chamber was one reed long, and one reed broad: and between the little chambers were five cubits : and the threshold of the gate, by the porch of the gate within , was one reed.

Along the wall of the porch were chambers, three on one side, and three on the other, v. 10. of equal dimensions each one Reed square.

A space of two yards and one half between each chamber, either filled with some neat posts or pillars, or it may be quite void, and nothing in them.

The inward threshold as well as outward, were of the same measures, and curiously arched over head from side to side, and end to end, which was from East to West.