ἀμύνω,
[in LXX (mid.): Jos 10:13 (נקם), נָקַם), Ps 118:10-12מוּל hi.), Is 59:16 (ישׁע hi.), Wi 11:3, al.;]
to ward off, etc. Mid.
(a) to defend oneself against;
(b) to requite;
(c) = act., to defend, assist (Is 59:16): c. acc. pers., Ac 7:24 (MM, VGT, s.v.).†