πολύξεστος
From LSJ
καὶ τὸ σιγᾶν πολλάκις ἐστὶ σοφώτατον ἀνθρώπῳ νοῆσαι → and silence is often the wisest thing for a man to heed, and often is man's best wisdom to be silent, and often keeping silent is the wisest thing for a man to heed
English (LSJ)
ον, (ξέω)
A much-polished, πύλαι (of Hades) f.l. in S.OC1570 (lyr., leg. πολυξένοις).
German (Pape)
[Seite 667] viel oder sorgfältig gehobelt, geglättet, πύλαι, Soph. O. C. 1566, vgl. Schol.