penitence

noun

1. the state of being penitent; regret for one’s wrongdoing or sinning; contrition; repentance.

n.c.1200, from Old French penitence (11c.) and directly from Latin paenitentia “repentance,” noun of condition from paenitentum (nominative paenitens) “penitent,” present participle of paenitere “cause or feel regret,” probably originally “is not enough, is unsatisfactory,” from paene “nearby, almost.”