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ἐξιλαστέον

From LSJ

τὰν ἐπὶ τᾶς → Either with this or on this | Come back victorious or dead

Plutarch, Moralia, 241

Greek (Liddell-Scott)

ἐξιλαστέον: ῥημ. ἐπίθ. τοῦ ἐξιλάσκομαι, δεῖ ἐξιλάσκεσθαι, Συνεσίου Ἐπιστ. 44, σ. 184.