endurance

noun

1. the fact or power of enduring or bearing pain, hardships, etc.
2. the ability or strength to continue or last, especially despite fatigue, stress, or other adverse conditions; stamina: He has amazing physical endurance.
3. lasting quality; duration: His friendships have little endurance.
4. something endured, as a hardship; trial.

noun

1. the capacity, state, or an instance of enduring
2. something endured; a hardship, strain, or privation