Etymology

unavailable

U1N1A1V4A1I1L1A1B3L1E1

Today it means: Unavailing; ineffective. Full definition →

First used 16th–19th c.English available ← Middle English un- ← Old English un-
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The story

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Englishavailable
  9. English todayunavailable

From un- + available.

First known use, by meaning

  • 16th–19th c. Unavailing; ineffective.
  • from 19th c. Not available.

Etymology from Wiktionary, CC BY-SA 4.0.