ἀμυντέον
From LSJ
καλῶς δρῶν ἐξαμαρτεῖν μᾶλλον ἢ νικᾶν κακῶς → I would prefer to fail with honor than to win by evil | I prefer to fail by acting rightly rather than win by acting wrongly | Better fail by doing right, than win by doing wrong (Sophocles, Philoctetes 95)
English (LSJ)
verb. Adj. of ἀμύνω,
A one must assist, c. dat. pers., X.Cyr.8.6.6: also pl., ἀμυντέ' ἐστὶ τοῖς κοσμουμένοις S.Ant.677. II one must repel, Ar. Lys.661.
Greek (Liddell-Scott)
ἀμυντέον: ῥημ. ἐπίθ. τοῦ ἀμύνω, χρὴ ἀμύνειν, δηλ. βοηθεῖν· μετὰ δοτ. προσ., Ξεν. Κύρ. 8. 6, 6· οὕτω καὶ πληθ. ἀμυντέ’ ἐστὶ τοῖς κοσμουμένοις Σοφ. Ἀντ. 677. ΙΙ. χρὴ ἀπελαύνειν, ἀποκρούειν, Ἀριστοφ. Λυσ. 661.