omen of disaster; sign of calamity
A literary or formal expression for a portent of misfortune. Often used in warnings, prophecies, or dramatic contexts.
People in the past believed that ominous dreams were omens of disaster.
This abnormal weather is feared to be a sign of calamity.
Compound of 凶事 (calamity, disaster) and 兆し (sign, omen). The exact historical derivation is uncertain, but the components are transparent.