ὀξυντήρ
From LSJ
ἀμείνω δ' αἴσιμα πάντα (Odyssey VII.310 / XV.71) → all things are better in moderation
English (LSJ)
ῆρος, ὁ,
A sharpener, δονακήων, i.e.a penknife, AP6.64 (Paul.Sil.), cf. Aq.Jb.41.22.
German (Pape)
[Seite 353] ῆρος, ὁ, der Schärfer, spitz machend, πλατὺς – καλάμων, vom Federmesser, Paul. Sil. 50 (VI, 64).