ἦπυς
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
German (Pape)
[Seite 1175] υος, ἡ, dasselbe, von den Gramm. zur Erkl. von βριήπυος angenommen, Schol. Il. 13, 521.