κατασιωπητέον
From LSJ
μεριμνᾷς καὶ τυρβάζῃ περὶ πολλά → you are worried and bothered about so many things, thou art careful and troubled about many things, you are worried and upset about many things
English (LSJ)
A one must keep silence, Isoc.12.96.
Greek (Liddell-Scott)
κατασιωπητέον: ῥημ. ἐπίθ., πρέπει νὰ κατασιωπᾷ τις περί τινος, περί τινος κατασιωπητέον Ἰσοκρ. 252D.
French (Bailly abrégé)
adj. verb. de κατασιωπάω.