a.re.yokh identifies the king's officer who receives Daniel's response and brings him before the king.

The attested forms identify a particular royal officer in Daniel’s encounters with Daniel: he is addressed regarding the king’s decree, is charged with destroying Babylon’s wise men, and brings Daniel before the king.

1. The royal officer in Daniel’s encounter · dominant

   All occurrences are Noun · Proper forms naming the officer involved in Daniel’s response to the king’s decree. In Daniel 2:14 the APB renders him as the captain of the king’s guard who had gone out to kill Babylon’s wise men; in Daniel 2:15 Daniel questions him and he makes the matter known to Daniel. In Daniel 2:24 Daniel asks him not to destroy the wise men and to bring him before the king, and in Daniel 2:25 the APB renders him bringing Daniel before the king.

   Daniel 2:14Daniel 2:15Daniel 2:24Daniel 2:25

In the Anselm Project Bible: The APB consistently presents the term as “Arioch.” Its surrounding descriptions vary by verse, calling him the king’s guard captain, the king’s officer, the appointee to destroy the wise men, and the one who brings Daniel before the king.