immortality
n.
mid-14c., "deathlessness," from Old French immortalité (13c.) and directly from Latin immortalitatem (nominative immortalitas) "deathlessness, endless life," from immortalis (see immortal). Sense of "everlasting fame" is from 1530s.
〔蒋〕[mort=death死，-ity名词后缀，表示性质，情况] 不死，不朽，永存