λύσις

Etymology
From.

Noun

 * 1) loosing, releasing, release, ransoming
 * 2) deliverance from guilt by expiatory rites
 * 3) redemption of mortgage or pledge
 * 4) parting
 * 5) emptying, evacuation
 * 6) solution (to a difficulty or problem)
 * 7) remission of fever