ἀχρηστέω
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
English (LSJ)
to be useless, S.E.M.1.259.
Spanish (DGE)
ser inútil de la gramática, S.E.M.1.54, cf. 259.
Greek (Liddell-Scott)
ἀχρηστέω: εἶμαι ἄχρηστις, Σέξτ. Ἐμπ.π. Μ. 1. 259: - ὡσαύτως ἀχρηστεύω Α. Β. 793. 35.
Russian (Dvoretsky)
ἀχρηστέω: быть бесполезным, ненужным Sext.