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Etymology

ephemeral

/ɪˈfɛmərəl/

adjective

Origin

Ancient Greek

ἐφήμερος (ephēmeros) — lasting only a day

Overview

Meaning Now

  • Lasting for a very short time.
  • Having a very short life cycle, typically used in reference to plants or insects.

Literal older meaning

lasting only for a day

Language path

Ancient Greek → Latin → English

Earliest form

ephemerall

Earliest period

16th century

Journey

The term originated in medicine to describe 'ephemera,' a fever lasting only twenty-four hours. It later expanded in the 17th century to describe natural phenomena, specifically plants or insects that bloom or live for only one day, and eventually metaphorically to anything of short duration.

Evolution

  1. Ancient Greek

    ἐφήμερος

    “lasting only a day”

    Composed of 'epi' (upon) and 'hemera' (day).

  2. Late Latin

    ephemerus

    “short-lived”

    Transliterated form used in botanical and medical contexts.

  3. Middle French

    éphémère

    “lasting a day”

    Direct influence on English adoption.

  4. 16th century English

    ephemerall

    “short-lived; specifically referring to a one-day fever”

Connections

Word parts

epi-

prefix

upon/on

hemer-

root

day

-al

suffix

forming an adjective

Related across languages

  • French

    éphémère

    ephemeral

  • Spanish

    efímero

    ephemeral

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External references use DefinedTerm semantics.