Brown-Driver-Briggs (BDB)
H7185
H7185 קָשָׁה be hard , severe , fierce . . be hard , difficult . be hard , severe . hardly bestead , hard pressed . . make difficult , difficulty . make severe , burdensome , yoke imposed by king . . make hard , stiff , stubborn , fig. of obstinacy . shew stubbornness
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain