mur.daph denotes the relentless oppressive action exercised against nations in Isaiah 14:6.

The attested use describes unrelenting oppression directed against nations: Isaiah 14:6 places the masculine singular noun in a clause about ruling nations in anger.

1. Relentless oppression of nations · dominant

   In Isaiah 14:6, the masculine singular noun occurs in the clause describing rule over nations in anger; the APB renders that clause "that ruled the nations in anger with relentless persecution."

   Isaiah 14:6

In the Anselm Project Bible: In Isaiah 14:6, the APB presents the clause as rule over nations "with relentless persecution." This wording confirms the clause's oppressive setting without isolating a precise English equivalent for the noun.