gādad גָּדַד ‘to cut’ (Hebrew)

Etymology^?: a primitive root, compare gūd גּוּד ‘to raid’

gādad v
1) to penetrate, cut, attack, invade
 1a) (Qal) to penetrate, cut into
 1b)(Hithpoel)
  1b1) to cut oneself
  1b2) to gather in troops or crowds