effluvium

n. outflow; exhalation (especially one with an unpleasant odor)

Noun
1. a foul-smelling outflow or vapor (especially a gaseous waste)
(hypernym) discharge, emission

(a.)
Subtile or invisible emanation; exhalation perceived by the sense of smell; especially, noisome or noxious exhalation; as, the effluvium from diseased or putrefying bodies, or from ill drainage.
  

N
flowing out| outlet

n.
چھوٹے ذرے جو کسي جسم سے اڑ کر سونگھنے ميں معلوم ہوتے ہيں