King James Version
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.English Standard Version
And it became broader as it wound upward to the side chambers, because the temple was enclosed upward all around the temple. Thus the temple had a broad area upward, and so one went up from the lowest story to the top story through the middle story.Catholic Public Domain Version
And there was a broad circular path, rising upward by winding, and it led to the cenacle of the temple by a circular course. As a result, the temple was wider in the higher parts. And so, from the lower parts, they rose up to the higher parts, in the center