miasma
noun
[ mɪˈazmə ]
• an unpleasant or unhealthy smell or vapour.
• "a miasma of stale alcohol hung around him"
Similar:
stink,
reek,
stench,
smell,
odour,
malodour,
pong,
niff,
whiff,
guff,
Origin:
mid 17th century: from Greek, literally ‘defilement’, from miainein ‘pollute’.