Evenness means an equality between two species, or to sets of variables in mathematics, so evenness of mind and temper would be a tranquility or peace between these two parts of your body.
A ten letter word with this meaning is Equanimity.
Definition: mental calmness, composure, and evenness of temper, especially in a difficult situation.
I think my friend knows it I’ll ask her:)
For What/?? If you need help messsage me....<span> please it will help a lot if you could give an answer on mine but make sure its correct :D
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D. to prompt the reader to provide an obvious answer (APEX)