σπείρειν
From LSJ
σιγᾶν ἄμεινον ἢ λαλεῖν ἃ μὴ πρέπει → it's better to keep silence than to say what's not appropriate (Menander)
Greek > English (Woodhouse Verbs Reversed)
(see also σπειράομαι, σπείρω): beget, circulate, diffuse, disseminate, noise abroad, sow, spread, blaze abroad, cast about, sow seed, sow the fields, spread about