impostor
‘one who imposes on others’
Lexical development traced from the Tamil root:
E. imposture, impostur < F. imposteur < La.Lat. impostor ‘a deceiver’ < imponere ‘place upon, impose upon, deceive’ < in- ‘into, in, on, upon’ + ponere ‘to put, place’ < uhm < en < Tamil il-iṉ