longevity
n.
1610s, from Late Latin longaevitatem (nominative longaevitas) "great age, long life," from Latin longaevus "long-lived," from longus (see long, adj.) + aevum "lifetime, age" (see eon).
〔李〕[long;ev;-ityn.] n.长寿； 资历 ←ev (L aevum)=age, life 年代
〔李〕[long;ev;-ityn.] n.长寿； 寿命； 资深 ←long (L longus)=long 长的
〔蒋〕[long长，ev年龄，寿命，ity名词后缀] 长寿，长命