kāšal כָּשַׁל ‘to stumble’ (Hebrew)

Etymology^?: a primitive root

kāšal v
1) to stumble, stagger, totter
 1a) (Qal)
  1a1) to stumble
  1a2) to totter
 1b) (Niphal)
  1b1) to stumble
  1b2) to be tottering, be feeble
 1c) (Hiphil)
  1c1) to cause to stumble, bring injury or ruin to, overthrow
  1c2) to make feeble, make weak
 1d) (Hophal) to be made to stumble
 1e) (Piel) bereave