εθικός
From LSJ
τὰ πρὸ Εὐκλείδου ἐξετάζειν → investigate what happened before the flood, investigate what happened in the distant past, investigate what happened before Euclid, investigate what happened before the year of Euclid
ἐθικός, -ή, -όν (Α) έθος
αυτός που αποκτάται από συνήθεια.