ephemera
noun/ɪˈfemərə/
/ɪˈfemərə/
[plural]- things that are important or used for only a short period of time
- a collection of postcards, tickets and other ephemera
Word Originlate 16th cent.: plural of ephemeron, from Greek, neuter of ephēmeros ‘lasting only a day’. As a singular noun the word originally denoted a plant said by ancient writers to last only one day, or an insect with a short lifespan, and hence was applied (late 18th cent.) to a person or thing of short-lived interest. Current use has been influenced by plurals such as trivia and memorabilia.
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ephemera