expression, godan verb (-ru)
vanish completely; die out; become extinct
Emphasizes a gradual or complete disappearance, often of something that was once present. Used for physical objects, phenomena, species, or abstract things like feelings.
See also: 亡くなる (なくなる)
その伝統は次第に消えてなくなった。
That tradition gradually died out.
雲が風で消えてなくなった。
The clouds vanished in the wind.