effluvium

noun2

1. •
   A gaseous or vaporous emission, especially a foul-smelling one.

   • It was the mere effluvium of the flame, the subtle ether that it cast off as it passed, working on us, and making us feel strong as giants and swift as eagles. — 1886
2. •
   A condition causing the shedding of hair.

   • Reversible hair loss or effluvium occurs following either endogenous or exogenous damage to anagen hair follicles[…]. — 2000