Etymology

unavailability

U1N1A1V4A1I1L1A1B3I1L1I1T1Y4

Today it means: The state of being unavailable Full definition →

English availability ← 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. Englishavailability
  9. English todayunavailability

From un- + availability.

Etymology from Wiktionary, CC BY-SA 4.0.