e·qua·nim·i·ty (n)/?ekw??nim?d?/mental calmness, composure, and evenness of temper, especially in a difficult situation."she accepted both the good and the bad with equanimity"synonyms: composure, calm, level-headedness, self-possession, coolheadedness, presence of mind; Moreantonyms: anxietyBy Ross Ruffing

EtymologyFrom Anglo-Norman cotidian, cotidien, Middle French cotidian, cotidien, and their source, Latin cott?di?nus, qu?t?di?nus (“happening every day”), from adverb cott?di?, qu?t?di? (“every day, daily”), from an unattested adjective derived from quot (“how many”) + locative form of di?s (“day”).Pronunciation[edit](UK) IPA(key): /kw??t?d??n/(US)…