The quality or state of being of the same age or existing at the same time as another person or thing.
From coetanean (Latin coaetaneus) + -ity (suffix forming abstract nouns). The suffix -ity transforms the adjective into an abstract noun describing the state of being coetanean.
Historians studying the Renaissance use this concept to understand how artists, writers, and scientists living at the same time influenced each other through their coetaneity.
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