λασθῆμεν
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)
Dor. aor. inf. Pass. of λανθάνω. λάσθον· αἰσχρόν, Hsch. λάσθω· χλευαζέτω, and λάσθων· κακολογῶν, Id.
Russian (Dvoretsky)
λασθῆμεν: дор. (= λασθῆναι) Theocr. inf. aor. pass. к λανθάνω.
Greek (Liddell-Scott)
λασθῆμεν: Δωρ. ἀπαρ. παθ. ἀορ. τοῦ λανθάνω, Θεόκρ. 2., 46.
Greek Monotonic
λασθῆμεν: Δωρ. αντί λασθῆναι, απαρ. Παθ. αορ. του λανθάνω.