νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
plēbis: v. plebs.
(1) plēbis, gén. de plebs.(2) plēbis, is, f., v. plebes.
plēbis, s. plebes.