vanish /ˈvanɪʃ
/ ▸ verb [no object] 1 disappear suddenly and completely: Moira vanished without trace.
▪ gradually cease to exist: the environment is under threat—hedgerows and woodlands are vanishing.
2 Mathematics become zero. – ORIGIN Middle English: shortening of Old French e(s)vaniss-, lengthened stem of e(s)vanir, from Latin evanescere ‘die away’.