G1023
βραχίων
arm
βραχίων, -ὀνος, ὁ, [in LXX, β. Κυρίου, frequently for זְרוֹעַ יהוָֹה ;] the arm; as in OT, β. Κυρίου, metaphorically, for the Divine power: Luk.1:51, Jhn.12:38" (LXX), Act.13:17.† (AS)
The KJV translates G1023 in the following manner:
arm (6x)
Full Thayer's lexicon entry
βραχίων — brachíōn
βραχίων, βραχίονος, ὁ (from Homer down), the arm: the βραχίων of God is spoken of Hebraistically for the might, the power of God, Luk 1:51 (cf. Deu 4:34; Deu 5:15; Deu 26:8); Joh 12:38 (Isa 53:1); Act 13:17.
3 occurrences
Luke (1), John (1), Acts (1)