From uwr; a foe (as watchful for mischief) -- enemy.
see HEBREW uwr
H6145. ar
II. עָר noun masculine only 2 t.: עָרֶ֑ךָ 1 Samuel 28:16 (see Dr.); read צָרֶ֑ךָ thine adversary Klo HPS (al. as alternatively with following) > ᵑ7 ᵑ6 ᵐ5 רֵעֶ֑ךָ עִם Th Bu Kit (?)and others; עָרֶיךָ Psalm 139:20 is very dubious; Hup עָלֶיךָ, Ol Che and others שְׁמֶ֑ךָ; Bae leaves untranslated.
עֵר see I. עִוּר.
I. ערב (√ of foll; probably *עָרֵב mix; Late Hebrew עָרַב mix; so ᵑ7 Pa`el (often), Syriac mix (rarely, in derived forms), mixture).