медный
From LSJ
δόξειε δ' ἂν τῆς κυριωτάτης καὶ μάλιστα ἀρχιτεκτονικῆς. τοιαύτη δ' ἡ πολιτικὴ φαίνεται → It would seem to belong to the most authoritative art and that which is most truly the master art. And politics appears to be of this nature.
Russian > Greek
πολύχαλκος, ὀρειχάλκινος, χάλκειος, χαλκήϊος, χάλκεος, χαλκοῦς