GOD'S WORD® Translation
The outer wall of the side rooms was 9 feet thick. There was an open area between the side rooms connected to the temple

American Standard Version
The thickness of the wall, which was for the side-chambers, on the outside, was five cubits: and that which was left was the place of the side-chambers that belonged to the house.

Berean Study Bible
The outer wall of the side rooms was five cubits thick, and the open area between the side rooms of the temple

Douay-Rheims Bible
And the thickness of the wall for the side chamber without, which was five cubits: and the inner house was within the side chambers of the house.

English Revised Version
The thickness of the wall, which was for the side chambers, on the outside, was five cubits: and that which was left was the place of the side-chambers that belonged to the house.

King James Bible
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.

World English Bible
The thickness of the wall, which was for the side rooms, on the outside, was five cubits: and that which was left was the place of the side rooms that belonged to the house.

Young's Literal Translation
The breadth of the wall that is to the side-chamber at the outside is five cubits; and that which is left is the place of the side-chambers that are to the house.

Ezekiel 41:9 Additional Translations ...