ominatio
From LSJ
Ἢ λέγε τι σιγῆς κρεῖττον ἢ σιγὴν ἔχε → Sile, melius vel loquere silentio → Was besser ist als Schweigen, sage oder schweig
Latin > English (Lewis & Short)
ōmĭnātĭo: ōnis, f. ominor,
I a foreboding, prognostic, Paul. ex Fest. p. 88 Müll.