en_tn/ezk/40/07.md

The guard chambers

These were rooms that were built inside of the gate where guards stayed to protect the gate.

five cubits

about 2.7 meters (See: rc://en/ta/man/jit/translate-bdistance)

there were five cubits between any two of the chambers

"the chambers next to each other were five cubits apart" or "there were five cubits between a chamber and the one next to it"

the chambers

"the rooms"

portico

This was a covering in front of an entrance with columns or posts for support. See how you translated this in Ezekiel 8:16.