Learn how to say Vanishing correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word vanish:
1disappear 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.
Middle English: shortening of Old French e(s)vaniss-, lengthened stem of e(s)vanir, from Latin evanescere ‘die away’