τὸ γὰρ ὑπέγγυον δίκᾳ καὶ θεοῖσιν → liability to human and divine justice
P. and V. καθαρμός, ὁ, P. κάθαρσις, ἡ, ἀπόλουσις (Plato, Cratylus 405B).