A primitive root (compare daqaq); to crush with the foot -- tread down.
see HEBREW daqaq
H1915. hadak
הָדַךְ verb cast or tread down (Arabic tear down (a building), synonym of ) —
Qal Imperative רְשָׁעִים הֲדֹךְ Job 40:12 cast or tread down, wicked men.
הדם (√ of following, compare Arabic overthrow, overturn, cast down ).