平息 (píng xī) is a verb meaning 'to quell' or 'to subside', typically used for calming strong, disruptive forces—especially emotions, conflicts, rumors, or unrest. The character 平 means 'level', 'calm', or 'peaceful', while 息 means 'to rest', 'to stop', or 'breath'. Together, they evoke the image of restoring calm by bringing turbulence to rest—like waves settling after a storm. It implies active intervention or natural resolution that ends agitation.

This word is commonly used in formal or written contexts: news reports, official statements, and literature describing social tension, public anger, panic, or emotional outbursts. It’s rarely used for physical phenomena like weather unless metaphorically (e.g., 'the storm of criticism'). While it can describe internal states (e.g., calming one’s own anger), it more often refers to external situations being brought under control by authority, time, or reasoned action.