ἕκπλεθρος
From LSJ
ἠ πρὸς Τιμόθεον α' ἐπιστολή· Τιμοθέῳ ἑταίρῳ Παῦλος διελέξατο ταῦτα → First epistle to Timothy: Paul discussed these things with his colleague Timothy
English (LSJ)
ον,
A six plethra long, Phryn.387 ; in ἕ. ἀγών, = στάδιον, E.El.883, and κῶλον ἕ. δρόμου Id.Med.1181 (where Sch. expl. μέγα καὶ ὑπερβαῖνον πλέθρου μέτρον) ἔ. is the better reading, narrowing.
German (Pape)
[Seite 773] sechs Plethren, also ein Stadium lang, ἀγών, = στάδιον, Eur. El. 883; δρόμος Med. 1181.