χαλκικός
From LSJ
Δελφῖνα νήχεσθαι διδάσκεις: ἐπὶ τῶν ἐν ἐκείνοις τινὰ παιδοτριβούντων, ἐν οἷς ἤσκηται → Teaching dolphins to swim: is applied to those who are teaching something among people who are already well versed in it
English (LSJ)
ή, όν, A in copper coin, PFrankf.1.38,91 (iii B. C.).
German (Pape)
[Seite 1330] = χάλκεος, zw.
