μέτρησις
From LSJ
Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
English (LSJ)
εως, ἡ,
A measurement, χώρης Hdt.4.99, cf. X. Mem.4.7.2, Pl.Plt.285a, etc.: pl., Id.Lg.819c. 2 measuring out, dole of corn, SIG976.58 (Samos, ii B. C.); delivery in kind, PAmh.2.87.21 (ii A. D.), etc.
German (Pape)
[Seite 162] ἡ, das Messen, Maaß; Plat. Polit. 285 a, u. im plur., Legg. VII, 819 c; Xen. Mem. 4, 7, 2; Plut. u. a. Sp.
Greek (Liddell-Scott)
μέτρησις: ἡ, τὸ μετρεῖν, Ἡρόδ. 4. 99, Ξεν. Ἀπομν. 4. 7, 2, Πλάτ., κτλ., πληθ., ὁ αὐτ. ἐν Νόμ. 819C.