ἔτυχες εἰς τὴν μάχην ὑπὸ τοῦ στρατηγοῦ πεμφθεὶς → you happened to be sent into the battle by the general
SourceGreek (Liddell-Scott)
ἐγ: ἀντὶ ἐκ, ἐν συνθέσει πρὸ τῶν συμφώνων γ, κ, χ, ξ, καὶ ἐν Ἐπιγρ. πρὸ ὀνομάτων ἀρχομένων ἀπὸ τῶν αὐτῶν γραμμάτων.
English (Slater)
ἐγ v. ἐν.
Spanish (DGE)
v. ἐκ.