contrition -
The state of being contrite; sincere penitence or remorse.
contrition -
The act of grinding or rubbing to powder; attrition; friction; rubbing.
Wikipedia
Contrition or contriteness (from the Latin contritus 'ground to pieces, i.e. crushed by guilt) is sincere and complete remorse (i.e. regret with a sense of guilt) for sins one has committed.
OmegaWiki Dictionary
Ω
contrition The keen or hopeless anguish caused by a sense of guilt.