hūm הוּם ‘to make noise’ (Hebrew)

Etymology^?: a primitive root, compare hāmam הָמַם ‘to confuse’

hūm v
1) to distract, ring again, make a (great) noise, murmur, roar, discomfit, be moved
 1a) (Qal) to discomfit
 1b) (Niphal) to be in a stir
 1c) (Hiphil)
  1c1) to murmur
  1c2) to show disquietude