ḥārad חָרַד ‘to tremble’ (Hebrew)

Etymology^?: a primitive root

ḥārad v
1) to tremble, quake, move about, be afraid, be startled, be terrified
 1a) (Qal)
  1a1) to tremble, quake (of a mountain)
  1a2) to tremble (of people)
  1a3) to be anxiously careful
  1a4) to go or come trembling (with prep)
 1b) (Hiphil)
  1b1) to cause to tremble
  1b2) to drive in terror, rout (an army)