effluvium

From Latin effluvium (“an outlet”), from effluō (“flow out or away”), from ex (“out of, from”) + fluō (“flow”).

• IPA^(key): /ɪˈfluːvi.əm/
• Rhymes: -uːviəm
• Hyphenation: ef‧flu‧vi‧um

effluvium (plural effluvia or effluviums)

1. A gaseous or vaporous emission, especially a foul-smelling one.
   • 1835, William Gilmore Simms, The Partisan, Harper, Chapter XV, page 188:

     She was now bending over a huge light wood blaze, with a pipe of rude structure and no small dimensions in her mouth, from which the occasional puff went forth, filling the apartment with the unpleasant effluvia of the vilest leaf-tobacco.

   • 1906, O. Henry, The Furnished Room

     And he breathed the breath of the house—a dank savour rather than a smell—a cold, musty effluvium as from underground vaults mingled with the reeking exhalations of linoleum and mildewed and rotten woodwork.

2. A condition causing the shedding of hair.
   • 2000, Dr. Otto Braun-Falco, et al., “Diseases of hair”, in Dermatology, →ISBN, page 1136:

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

From effluō (“flow out or away”), from ex (“out of, from”) + fluō (“flow”).

• (Classical) IPA^(key): /efˈflu.wi.um/, [ɛfˈfɫʊ.wi.ʊ̃]

effluvium n (genitive effluviī or effluvī); second declension

1. The act of flowing out; discharge of liquid, outlet, efflux.

Second-declension noun (neuter).

¹Found in older Latin (until the Augustan Age).

• (act of flowing out): effluus

• effluēscō
• effluō
• effluus

• effluvium in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• effluvium in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• effluvium in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette