qāšā קָשָׁה ‘to harden’ (Hebrew)

Etymology^?: a primitive root

qāšā v
1) to be hard, be severe, be fierce, be harsh
 1a) (Qal)
  1a1) to be hard, be difficult
  1a2) to be hard, be severe
 1b) (Niphal)
  1b1) to be ill-treated
  1b2) to be hard pressed
 1c) (Piel) to have severe labour (of women)
 1d) (Hiphil)
  1d1) to make difficult, make difficulty
  1d2) to make severe, make burdensome
  1d3) to make hard, make stiff, make stubborn
1d3a) of obstinacy (fig)
  1d4) to show stubbornness