The outward wall for these chambers was five cubits in thickness, and was made of stone, which added both beauty and strength to the other part of the building, and served as buttresses to the temple wall. That which was left; that space which was left without this wall, about five cubits broad, and served for a walk before the chambers, or for a passage from one chamber to another. Within the walk and wall.
Related Commentaries of Ezekiel 41:9
Ezekiel 41:9
9 The thickness of the wall, which was for the side chamber without, was five cubits: and that which was left was the place of the side chambers that were within.