wreakrik(v.t)

1. to inflict or execute (punishment, vengeance, etc.):

   to wreak havoc on the enemy.

2. to carry out the promptings of (one's rage, ill humor, etc.), as on a victim or object:

   to wreak one's anger on subordinates.

Origin of wreak:

bef. 900; ME wreken, OE wrecan to avenge, c. OS wrekan, OHG rehhan, ON reka to drive, avenge, Go wrikan to persecute

wreak′er(n.)