懺 - regret, repent, confess sins

Confessiones (St. Augustine of Hippo)

repentance; confession; penitence

national confession of Japanese war guilt (1945)

penitence by chanting sutras; confession (of sins); Tendai ritual of chanting Lotus Sutra or to Kanzeon, Amida, or Kichijoten for forgiveness of sins performed unknowingly

(a) confessional