ὤνησις
From LSJ
μὴ τὴν ὄψιν καλλωπίζου, ἀλλ' ἐν τοῖς ἐπιτηδεύμασιν ἴσθι καλός → Don't beautify your face, but be beautiful in your habits (Thales, in Diog. Laertius 1.37)
English (LSJ)
-εως, ἡ, buying, Decr.Att. ap. Poll.7.15, prob. in CIG3597b (Ilium).
German (Pape)
[Seite 1412] ἡ, das Kaufen, Lys. bei Poll. 7, 15.
Greek (Liddell-Scott)
ὤνησις: -εως, ἡ, «ἀγορασία» (Ἡσύχ.). κοινῶς ἀγορασιά, Λυσίας παρὰ Πολυδ. Ζ΄, 15, Συλλ. Ἐπιγρ. 3597b.