πρεσβυτέριον
From LSJ
εἰ γάρ κεν καὶ σμικρὸν ἐπὶ σμικρῷ καταθεῖο καὶ θαμὰ τοῦτ᾽ ἔρδοις, τάχα κεν μέγα καὶ τὸ γένοιτο → for if you add only a little to a little and do this often, soon that little will become great (Hesiod W&D, 361-362)
English (LSJ)
or πρεσβῠ-εῖον, τό,
A council of elders, presbytery, Ev.Luc.22.66, Act.Ap.22.5, 1 Ep.Ti.4.14. II honour or privilege of an elder, Thd.Su.50.
