Ezekiel 42 5
The upper rooms were smaller because of the space taken up by the open halls on the lower and middle levels of the building.
Compare with other 3 random translations
ASV Ezekiel 42:5Now the upper chambers were shorter; for the galleries took away from these, more than from the lower and the middlemost, in the building.
AMP Ezekiel 42:5Now the upper chambers were shorter, for the balconies took off from these more than from the lower and middle chambers of the building.
EAS Ezekiel 42:5The rooms at the top level were not as wide as the rooms below them. And the rooms at the middle level were not as wide as the rooms at the lowest level. This was because the higher rooms needed more space in front of them.