כָּשַׁל vb. stumble, stagger, totter
Qal
1. stumble at, over, something (lit. by means of)
2. totter
Niph.
1. stumble
2. be tottering, feeble
Pi. only apparent
Hiph.
1. cause to stumble
2. make feeble, weak
Hoph. either and let them be ones who have stumbled before thee, i.e. regard them as such, or and let them be ones overthrown before thee