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trench-making

Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη → The first and best victory is to conquer self.
Plato, Laws 626e

English > Greek (Woodhouse Extra)

trench-making = ταφρεία