His family is known for its remarkable longevity, with many members living past one hundred.

longevity 是由形容词 long（长的）加上名词后缀 -evity 构成的名词。long 表示"长的"，-evity 来自拉丁语 aevum（时代、寿命），组合起来表示"长寿、长寿命"的意思。这个词特指生命持续很长时间的状态或能力。