vanish

/ˈva-nish/

Middle English vanisshen, borrowed from Anglo-French vaniss- stem of vanir, envanir, esvanir, going back to Vulgar Latin *exvānīre, restructuring of Latin ēvānēscere "to fade away, disappear," from ē- + vānēscere "to pass from existence," inchoative verb derivative of vānus "empty, lacking content"

verb

  1. to pass quickly from sight : disappear

  2. to pass completely from existence

  3. to assume the value zero

idiom

  1. to disappear completely in a way that is mysterious

The papers seem to have vanished into thin air.