Parallel
Ezekiel 40:38
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
And the chambers and the entries thereof were by the posts of the gates, where they washed the burnt offering.
There was a chamber with a doorway by the portico (note: Hebrew at the jambs) in each of the inner gateways. There the burnt offering was to be washed.