noun, masculine/eˈflubjo/plural: efluvios
effluvium, outflow
“Si usted es usuario del transporte público, quizás haya pensado que algunos de los pasajeros, a juzgar por ciertos desagradables efluvios, no pasaron por la ducha durante la mañana.” — If you are a user of public transport, you may have thought that some of the passengers, judging by certain unpleasant emanations, did not go through the shower in the morning.
From Latin effluvium (“an outlet”), from effluō (“flow out or away”), from ex (“out of, from”) + fluō (“flow”).