A primitive root (akin to guwz); to cut off; specifically to shear a flock or shave the hair; figuratively to destroy an enemy -- cut off (down), poll, shave, ((sheep-)) shear(-er).
see HEBREW guwz
H1494. gazaz
[גָּזַז] verb shear (Late Hebrew id., Aramaic גְּזָז , Arabic , Assyrian derivatives) —
Qal Imperfect וַיָּ֫גָו Job 1:20; 2masculine singular תָּגֹז Deuteronomy 15:19; Imperative2feminine singular גָּזִּ֫י Jeremiah 7:29, גֹּ֫זִּי Micah 1:16; Infinitive construct גְּזֹו Genesis 31:19 (E) 1 Samuel 25:2, גֹּז Genesis 38:13 (J); Participle גֹּזֵז 1 Samuel 25:4; plural גֹּזְַזִים 25:7 2t.; construct גֹּזַזֵי Genesis 38:12; suffix גֹּזְַזָי֑ 1 Samuel 25:11, גֹּזְַזֶיהָ Isaiah 53:7; — shear sheep (object צאֹן) Genesis 31:19; 38:13; Deuteronomy 15:19; 1 Samuel 25:2, 4; compare Participle shearer (with צאן) Genesis 38:12, also גֹּזְַזֶיהָ (i.e. רָחֵל) Isaiah 53:7; absolute = sheep-shearer, 1 Samuel 25:7, 11; 2 Samuel 13:23-24, object man's head (ראשׁוֺ) Job 1:20; of a woman's (figurative of Israel) Micah 1:16 (no object; "" קרחי), (figurative of Jerusalem) Jeremiah 7:29 (object נֵזֶר q. v.)
Niph`al נָגוֺ֫זּוּ be cut off (= destroyed) of Assyrians Nahum 1:12.