Plural form variant or alternative spelling of 'effluvia,' representing multiple emanations or vaporous discharges.
A variant plural of 'effluvium,' where '-ias' is used instead of the standard Latin '-ia.' This appears in some older texts but is non-standard.
Language historians find 'effluvias' fascinating because it shows English speakers struggling with Latin plurals—some people added '-s' to everything, creating this awkward double plural that never quite stuck.
Complete word intelligence in one call. Free tier — 50 lookups/day.