πολυκρατής
From LSJ
Καὶ τῶν λεγόντων εὖ καλὸν τὸ μανθάνειν → It is a fine thing to learn from those who speak well
English (LSJ)
ές,
A very mighty, Μοῖρα B.8.15; ἀραὶ φθιμένων (leg. τεθυμένων) A.Ch.406 (lyr.).
German (Pape)
[Seite 665] ές, sehr mächtig, Aesch. Ch. 400.