πινυτόφρων
From LSJ
μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
English (LSJ)
ονος, ὁ, ἡ,
A of wise or understanding mind, of Odysseus, Q.S.14.630, AP3.8 (Inscr. Cyzic.); εὐμαθίη ib.7.22 (Simm.); σιγή APl.4.325 (Jul.); ingenious, εὐχωλή (of an acrostic) Puchstein Epigr.Gr.p.10; νοῦς Jul. Caes.319a; restd. in Epic.Alex.Adesp.7.19.