cvb aff. a suffix found on nouns borrowed from Latin, esp. derivatives of verbs (odium; tedium; colloquium; delirium), deverbal compounds with the initial element denoting the object of the verb (nasturtium), other types of compounds (equilibrium; millennium), and derivatives of personal nouns, often denoting the associated status or office (collegium; consortium; magisterium)•Etymology: < NL, L II-iumaff. a suffix of scientific coinages, occurring esp. in names of elementsbarium; titanium[/ex]and names of plant and fungus structuresmycelium; pollinium[/ex]and in Latinizations of the Greek formative -ion (pericardium), as well as coinages modeled on such wordsepithelium; periodontium[/ex]•Etymology: < NL or L-ium(< Gk-ion)
From formal English to slang. 2014.