Remorse
Remorse (r?*m?rs") , noun
[Old English remors, Old French remors,French remords, Late Latin remorsus, from Latin remordere, remorsum, to bite again or back, to torment; pref. re- re- + mordere to bite. See Morsel.]
1.
The anguish, like gnawing pain, excited by a sense of guilt; compunction of conscience for a crime committed, or for the sins of one's past life.
Nero will be tainted with remorse.
2.
Sympathetic sorrow; pity; compassion.
Curse on the unpardoning prince, whom tears can draw
To no remorse.
But evermore it seem'd an easier thing
At once without remorse to strike her dead.