non-fiction
‘prose writing other than fiction, such as history, biography, and reference works, esp. that which is concerned with the narrative depiction of factual events; the genre comprising this’
Lexical development traced from the Tamil root:
A.F. noun- < O.F. non- < Lat. non ‘not, by no means, not at all, not a’ < O.Lat. noenum ‘not one’ < ne oinom + oi-no- ‘one, unique’ + fiction < nawn < ne- < Tamil al