τους φίλους λόγων τέχναιν επαίδευσας → Using 2 artifices, you educated (taught) those who love rhetoric.
Ăchĕros: v. AcheronI init.
Ăchĕros, m., = Ăcheron §3 : Liv. 8, 24, 11.
Acheros, s. Acherōn no. II.