预兆
yù zhào · HSK 7
sign
🔮 预兆 = 预 (in advance) + 兆 (sign/omen) = an advance sign of what's coming
预 carries the pre-/beforehand sense seen in 预报 (forecast) and 预测 (predict); 兆 means an omen or portent. Together they name a sign that arrives ahead of the event it foreshadows.