Etymology

outdoor

O1U1T1D2O1O1R1

Today it means: Situated in, designed to be used in, or carried on in the open air. Full definition →

First used 18th c.English door ← Middle English dore ← Old English duru
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The story

  1. Proto-Indo-European*úd
  2. Proto-Germanic*ūt
  3. Proto-Germanic*ūt-
  4. Old Englishūt-
  5. Middle Englishut-
  6. Englishout-
  7. Proto-Indo-European*dʰwer-
  8. Proto-Germanic*durz
  9. Proto-West Germanic*dur
  10. Old Englishduru
  11. Middle Englishdore
  12. Englishdoor
  13. English todayoutdoor

From out- + door.

First known use, by meaning

  • from 18th c. Situated in, designed to be used in, or carried on in the open air.
  • from 19th c. Pertaining to charity administered or received away from, or independently from, a workhouse or other institution.

Etymology from Wiktionary, CC BY-SA 4.0.