A primitive root (compare 1949 ; to "make a loud sound" (like English "hum"); by implication to "be in great commotion" or "tumult", to "rage", "war", "moan", "clamor: - "clamorous, concourse, cry aloud, be disquieted, loud, mourn, be moved, make a noise, rage, roar, sound, be troubled, make in tumult, tumultuous, be in an uproar.