1610s, from Late Latin longaevitatem (nominative longaevitas) "great age, long life," from Latin longaevus "of great age, ancient, aged," from longus "long" (see long (adj.)) + aevum "lifetime, age" (from PIE root *aiw- "vital force, life; long life, eternity").
her longevity as a star
had unusual longevity in the company
long-boat
longbow
long-distance
long-drawn
longeron
longevity
long-hair
longhand
long-haul
long-headed
longhorn