desvanecerse

verb
  1. To fade away gradually or disappear, especially referring to colors, memories, or sensations losing their intensity or presence over time. verb
    The colors of the sunset desvanecieron as night fell.
    Her memories of the event began to desvanecerse with age.
  2. To vanish or dissolve completely, often used to describe something that ceases to exist or become imperceptible. verb
    The mist desvaneció at dawn, revealing the landscape.
    His worries desvanecieron once he received good news.