Effluvia

Noun

Definition: A fetid or foul-smelling emanation, especially one that is released from waste or decaying matter.

Synonyms: Odors, Fumes, Stench

Antonyms: Fragrances, Aromas

Examples:

The effluvia from the garbage dump were overpowering.
The stagnant water emitted a nauseating effluvia.

Mnemonics:

"Effluvia" sounds similar to "effluent," which refers to liquid waste. This can help remember that effluvia relates to waste or decaying matter.

Etymology:

Origin:

Latin "effluvium" meaning "discharge" or "outflow"

Historical Usage:

The word first appeared in English in the late 16th century, referring to a discharge or odor, particularly from the human body or from decaying substances.

Related Idioms:

Idiom:

"Effluvia of decay"

Explanation:

Used to describe the foul-smelling gases or odors released during the decomposition or decay of organic matter.

Misconceptions:

Misconception:

Confusing "effluvia" with "effluvium".

Explanation:

"Effluvia" is the plural form of "effluvium," which is the singular form. However, in contemporary usage, "effluvia" is more commonly used to refer to both singular and plural forms.