rāʿam רָעַם ‘to thunder’ (Hebrew)

Etymology^?: a primitive root

rāʿam v
1) to thunder
 1a) (Qal)
  1a1) to make the sound of thunder, thunder
  1a2) to rage
 1b) (Hiphil)
  1b1) to thunder, cause thunder
  1b2) to tremble, cause to tremble (by extension)