πρόρριζον

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

Source

Russian (Dvoretsky)

πρόρριζον: adv. до корня, с корнем (ἕλκειν Arst.).