Brown-Driver-Briggs (BDB)
H3782
H3782 כָּשַׁל stumble , stagger , totter . . stumble at, over, something (lit. by means of ) . totter . . stumble . be tottering , feeble . only apparent . . cause to stumble . make feeble , weak . 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
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain