a suffix found on abstract nouns borrowed from Latin, usually denoting a status, role, or function (matrimony; testimony), or a personal quality or kind of behavior (acrimony; sanctimony).
Origin
< Latin-mōnium (denominal), -mōnia (usually deadjectival), presumably orig. derivatives with -ium-ium, -ia-ia of -mōn-, an adj. or noun suffix, cognate with Greek-mōn (see hegemony); cf. alimony