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βέξιλλον

Ἢ τὰν ἢ ἐπὶ τᾶς -> Either with this or on this | Come back victorious or dead
Plutarch, Moralia 241

Greek (Liddell-Scott)

βέξιλλον: τὸ, Λατ. vexillum, Ἰουστ. Μ.