to.qeph denotes power expressed as royal strength or as authority to establish a letter.

The attested uses portray power chiefly as strength connected with royal action and deeds, while Esther 9:29 applies it to the authority by which a letter is established.

1. Royal strength and might · dominant

   In Daniel 11:17, the construct form occurs in a clause about setting his face to come with a whole kingdom; the APB renders the action with “the strength of his whole kingdom.” In Esther 10:2, another construct form appears in the record of a king’s deeds and Mordecai’s greatness; the APB renders the verse with “the deeds of his power and his might.”

   Daniel 11:17Esther 10:2
2. Authority for establishing a letter · occasional

   In Esther 9:29, the absolute form occurs with Esther and Mordecai writing to establish the second Purim letter; the APB renders the clause “with all authority to establish this second letter of Purim.”

   Esther 9:29

In the Anselm Project Bible: The APB presents the surrounding clauses with “strength,” “power and his might,” and “authority.” These renderings indicate the verse contexts rather than isolating a fixed English equivalent.