χαλκικός
From LSJ
εἰ ἀποκρυπτόντων τῶν Μήδων τὸν ἥλιον ὑπὸ σκιῇ ἔσοιτο πρὸς αὐτοὺς ἡ μάχη καὶ οὐκ ἐν ἡλίῳ → if the Medes hid the sun, the battle would be to them in the shade and not in the sun
English (LSJ)
ή, όν, A in copper coin, PFrankf.1.38,91 (iii B. C.).
German (Pape)
[Seite 1330] = χάλκεος, zw.