The color has also been used to forebode an omen or a threat.
It should have been an omen: His Tonight Show felt off-topic before it started.
They may even have a good argument, but their very existence is about as ill an omen as it gets.
At times, it seemed Leonard was awaiting a portent or an omen.
Some view is as an omen of dread, of blood, of war, or of victory.
Its very failures have come from its inherent greatness; they are the proof of great capacities, the omen of a greater future.
Zeus sent a loud thunder-clap and Odysseus rejoiced at the omen.
By delay I read an omen of the desire of the loiterers to avoid the enemy.
omen--The natives from this foretold the coming war with the Amazulu.
What sort of omen was it that had caused me to fall into it likewise?
1580s, from Latin omen "foreboding," from Old Latin osmen, of unknown origin; perhaps connected with the root of audire "to hear" [OED] or from PIE *o- "to believe, hold as true" (cf. Greek oiomai "I suppose, think, believe").