kāʿas כָּעַס ‘to provoke’ (Hebrew)

Etymology^?: a primitive root

kāʿas v
1) to be angry, be vexed, be indignant, be wroth, be grieved, provoke to anger and wrath
 1a) (Qal)
  1a1) to be vexed, be indignant
  1a2) to be angry
 1b) (Piel) to provoke to anger
 1c) (Hiphil)
  1c1) to vex
  1c2) to vex, provoke to anger