γεροντοδιδάσκαλος
From LSJ
ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → for extreme diseases, extreme methods of cure, as to restriction, are most suitable (Corpus Hippocraticum, Aphorisms 1.6.2)
English (LSJ)
ὁ, ἡ,
A old man's master, Pl.Euthd.272c.
German (Pape)
[Seite 486] ὁ, Lehrer der Alten, Plat. Euthyd. 272 e.