Translations
And the chambers and the entries thereof were by the posts of the gates, where they washed the burnt offering.
A chamber with a doorway opened off the vestibule of the gateway—this was where the burnt offerings were washed.
A chamber with its own entrance opened off the gateway's porch—this is where the burnt offerings would be washed before they were brought to the altar.
There was a chamber with a doorway by the portico in each of the inner gateways. There the burnt offering was to be washed.

