ὁλοσίδηρος
From LSJ
μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
English (LSJ)
[ῐ], ον,
A all iron, μάχαιρα IG22.1481 (iv B. C.), cf. Antiph.216, IG11(2).145.37 (Delos, iv B. C.), Plu.Cam.40 ; ὁλοσίδηροι, οἱ, soldiers wearing coats of mail, = Lat. clibanarii, Lyd.Mag.1.46.
German (Pape)
[Seite 327] ganz von Eisen, Antiphan. bei Poll. 10, 176.