GOD'S WORD® Translation
The side rooms grew wider all the way around as they went up, story after story. The surrounding structure went from story to story all around the temple. The structure grew wider as it went higher. A stairway went from the first story through the second story to the third story.

American Standard Version
And the side-chambers were broader as they encompassed the house higher and higher; for the encompassing of the house went higher and higher round about the house: therefore the breadth of the house continued upward; and so one went up from the lowest chamber to the highest by the middle chamber .

Berean Study Bible
The side rooms surrounding the temple widened at each successive level, because the structure surrounding the temple ascended by stages corresponding to the narrowing of the temple wall as it rose upward. And so a stairway went up from the lowest story to the highest, through the middle one.

Douay-Rheims Bible
And there was a broad passage round about, going up by winding stairs, and it led into the upper loft of the temple all round: therefore was the temple broader in the higher parts: and so from the lower parts they went to the higher by the midst.

English Revised Version
And the side-chambers were broader as they encompassed the house higher and higher; for the encompassing of the house went higher and higher round about the house: therefore the breadth of the house continued upward; and so one went up from the lowest chamber to the highest by the middle chamber.

King James Bible
And there was an enlarging, and a winding about still upward to the side chambers: for the winding about of the house went still upward round about the house: therefore the breadth of the house was still upward, and so increased from the lowest chamber to the highest by the midst.

World English Bible
The side rooms were broader as they encompassed [the house] higher and higher; for the encompassing of the house went higher and higher around the house: therefore the breadth of the house [continued] upward; and so one went up [from] the lowest [room] to the highest by the middle [room].

Young's Literal Translation
And a broad place and a turning place still upwards are to the side-chambers, for the turning round of the house is still upwards all round about the house: therefore the breadth of the house is upwards, and so the lower one goeth up unto the higher by the midst.

Ezekiel 41:7 Additional Translations ...