remorse
Cross references: 1. penitence re.morse \ri-'mo.(*)rs\ n [ME, fr. MF remors, fr. ML remorsus, fr. LL, act of biting again, f]r. L remorsus, pp. of remorde-re to bite again, fr. re- + morde-re to bite - more at SMART 1: a gnawing distress arising from a sense of guilt for past wrongs : SELF-REPROACH obs 2: COMPASSION