εὐθύγραμμον
From LSJ
οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters
Russian (Dvoretsky)
εὐθύγραμμον: τό (sc. σχῆμα) прямолинейная фигура rst., Plut.
