The quality or state of lasting a long time; long duration or permanence.
Formed from 'diuturnal' with the abstract noun suffix '-ity,' following Latin patterns of creating nouns from adjectives. This rare term appears in classical and formal literary contexts.
This word is so obscure that modern spell-checkers often flag it as an error! Yet it appears in Shakespeare and 17th-century texts to describe lasting effects or eternal qualities. It's like an archaeological artifact of literary English.
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