equanimity/ˌekwəˈnimədē/Equanimity is the psychological state of mental calmness, emotional stability, and even-mindedness. It allows you to remain composed under stress, viewing challenges with acceptance and non-reactivity rather than giving in to extreme emotional highs or lows.Rooted in ancient philosophies, the concept encompasses several core elements and distinctions that help clarify what it means in practice:Etymology: Derived from the Latin phrase aequo animo—meaning "with even mind"—it combines aequus (equal/level) and animus (soul/mind).