Vocabulary Precision — Identify the correctly spelled noun meaning ‘‘calmness and composure’’ (select the standard spelling from Equanimity, Equannimity, Equanimmity, Equinimity) with root-based guidance.

Given data

• Meaning cue: calmness, mental composure, evenness of temper.
• Options: Equanimity, Equannimity, Equanimmity, Equinimity.

Concept/Approach
Correct spelling is ‘‘equanimity’’ from Latin ‘‘aequus’’ (equal) + ‘‘animus’’ (mind) → equal-mindedness.

Option-by-option analysis
Equanimity — correct (equa + nimity). ✅Equannimity — extra ‘‘n’’; incorrect.Equanimmity — doubled ‘‘m’’; incorrect.Equinimity — wrong vowel; should be ‘‘equa-’’ not ‘‘equi-’’; incorrect.

Memory tip
Think ‘‘equal + animus’’ → ‘‘equa + nimity’’ for mental balance.

Final Answer
Equanimity