You might be looking for the word Fenny from recently released Hindi movies “Finding Fanny”.
Meaning of Fenny or Fen in Hindi
Fenny has been derived from word “fen” which means “दलदल” in Hindi.
Fenny can be termed as “दलदला” or “दलदलीय”
For more detail of this word and examples you can visit hinditoenglish.in