Diuturn’ity, n. long duration of time.
Word in the Wild: Why, Blanche, it’s been a diuturnity since we last had tea together!
Diuturnity is of Latinate origin and is considered rare or obsolete by the dictionaries it appears in. The only recorded use of the term after 1829 that I could find appears in Diuturnity’s Dawn, a 2002 work of science fiction written by Alan Dean Foster
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