expiation
From LSJ
τὸ βέλτερον κακοῦ καὶ τὸ δίμοιρον αἰνῶ, καὶ δίκᾳ δίκας ἕπεσθαι, ξὺν εὐχαῖς ἐμαῖς, λυτηρίοις μηχαναῖς θεοῦ πάρα → I approve the better kind of evil, the two-thirds kind, and that, in accordance with my prayers, through contrivances bringing salvation at the god’s hand
English > Greek (Woodhouse)
substantive
P. and V. καθαρμός, ὁ, λύσις, ἡ.
compensation: P. and V. τίσις, ἡ (Plato), V. ποινή, ἡ, or pl. (rare P.), ἄποινα, τά (Plato but rare P.).
I am ready to die as an expiation for my country: V. θνήσκειν ἑτοῖμος πατρίδος ἐκλυτήριον (Euripides, Phoenissae 969).