δουλόφρων
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)
German (Pape)
[Seite 662] ονος, = δουλογνώμων, Eustath.
Greek (Liddell-Scott)
δουλόφρων: -ον, δουλικὸν φρόνημα ἔχων, Εὐστ. Πονημ. 310. 35· πρβλ. οὐλόφρων.