Stamina,
n. pl.- The fixed, firm part of a body, which supports it or gives it strength and solidity; as, the bones are the stamina of animal bodies; the ligneous parts of trees are the stamina which constitute their strength.
1913 Webster
- Whatever constitutes the principal strength or support of anything; backbone; vigor; as, the stamina of a constitution or of life; the stamina of a State.
1913 Webster
He succeeded to great captains who had sapped the whole stamina and resistance of the contest.
De Quincey.
1913 Webster
- Hence: The power of endurance; the ability to withstand fatigue, disease, deprivation, etc., and continue working.
1913 Webster
+PJC