da.lah refers to doors that the people are told to shut behind them as they enter their chambers.

The attested use names the doors that are to be shut behind the people after they enter their chambers.

1. Doors shut behind those entering · dominant

   In Isaiah 26:20, the feminine plural construct forms occur in the instruction to enter chambers and shut them behind the people; the APB renders the clause, “shut your doors behind you.”

   Isaiah 26:20

In the Anselm Project Bible: In Isaiah 26:20, the APB presents the clause as “shut your doors behind you.” It cannot establish which English token corresponds to each original-language form.