mish.qe.let denotes a plumb or measuring standard, used in imagery of judgment and righteousness.

The attested uses present a measuring or plumb standard: it stands with a measuring line over Jerusalem in 2 Kings 21:13 and with righteousness in Isaiah 28:17.

1. Plumb or measuring standard · dominant

   In 2 Kings 21:13, the singular construct form occurs in the announced stretching of a measuring line over Jerusalem; the APB renders the paired clause with “the plumb line of the house of Ahab.” In Isaiah 28:17, the singular absolute form is set alongside righteousness, and the APB renders the clause “righteousness for a level.”

   2 Kings 21:13Isaiah 28:17

In the Anselm Project Bible: The APB presents the measurement imagery as “plumb line” in 2 Kings 21:13 and “level” in Isaiah 28:17. These renderings indicate the clauses' imagery rather than a fixed English equivalent.