durability

noun durability

• stamina — a plural of stamen.
• grit — abrasive particles or granules, as of sand or other small, coarse impurities found in the air, food, water, etc.
• persistence — the act or fact of persisting.
• staying power — ability or strength to last or endure; endurance; stamina.
• heart — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.