गायब
gaayab
The word 'disappear' means to go away or to no longer be seen.
You pronounce 'disappear' like this: dis-uh-peer.
The word 'disappear' comes from the prefix 'dis-' meaning 'not' and 'appear' which means 'to be seen'.
The word 'disappear' in Bengali is 'অদৃশ্য হয়ে যাওয়া' (Adṛśya haẏē yā'ōā).