Brachion denotes an arm in clauses describing strength, leading out, and revelation.

The three occurrences use the noun for an arm in descriptions of divine action: showing strength, leading a people out, and being revealed.

1. Arm in depictions of divine action · dominant

   In Luke 1:51, the dative singular form occurs in the clause that the APB renders “He has shown strength with his arm,” followed by scattering the arrogant. In Acts 13:17, the genitive singular form stands in the clause rendered “with an uplifted arm led them out,” while John 12:38 uses the nominative singular form in the question, “to whom has the arm of the Lord been revealed?”

   Luke 1:51Acts 13:17John 12:38

In the Anselm Project Bible: The APB presents the term as “arm” in all three verses, with “strength with his arm,” “with an uplifted arm,” and “the arm of the Lord.” These phrases confirm the clauses' presentation rather than establish finer distinctions.