ἰυγκτόν
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
Greek (Liddell-Scott)
ἰυγκτόν: «τορὸν» Ἡσύχ.