ὀρκῆσι
From LSJ
ἔτυχες εἰς τὴν μάχην ὑπὸ τοῦ στρατηγοῦ πεμφθεὶς → you happened to be sent into the battle by the general
English (LSJ)
barbarism for ὀρχῆται, Ar.Th.1179.
Greek (Liddell-Scott)
ὀρκῆσι: βαρβαρισμὸς ἀντὶ ὀρχησάσθω, Ἀριστοφ. Θεσμ. 1179.
Russian (Dvoretsky)
ὀρκῆσι: Arph. в произнош. скифа (= ὀρχησάσθω) пускай пляшет.