νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
δεξιάδην, ἐπὶ δεξιόφιν, δεξιτερός, δεξιτεροῖσιν, δεξιά, δεξιᾷ, ἐν δεξιᾷ, ἐνδέξια, ἐνδεξιᾷ, ἐπὶ δεξιά