tsa.an describes a tent’s remaining unmoved in the secure scene of Isaiah 33:20.

The sole attested use places tsa.an in the description of a tent that remains unmoved, within a scene of security for Jerusalem.

1. Remaining unmoved · dominant

   In Isaiah 33:20, the Qal imperfect form occurs in the clause describing a tent; the APB renders the clause "a tent that will not be moved."

   Isaiah 33:20

In the Anselm Project Bible: In Isaiah 33:20, the APB presents the clause as "a tent that will not be moved." This wording confirms the clause’s overall portrayal rather than isolating a precise English equivalent.