χαλκήιον

From LSJ

τους φίλους λόγων τέχναιν επαίδευσας → Using 2 artifices, you educated (taught) those who love rhetoric.

Source

Greek (Liddell-Scott)

χαλκήιον: χαλκήιος, ἴδε ἐν λ. χαλκεῖον, -ειος.