Etymology

clopen

clo·pen
C3L1O1P3E1N1

Today it means: Both open and closed. Full definition →

English open ← Middle English open ← Old English open
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The story

  1. Englishclosed
  2. Proto-Indo-European*upó
  3. Proto-Germanic*ub
  4. Proto-Germanic*upp
  5. Proto-Germanic*upanaz
  6. Proto-West Germanic*opan
  7. Old Englishopen
  8. Middle Englishopen
  9. Englishopen
  10. English todayclopen

Blend of closed + open.

Etymology from Wiktionary, CC BY-SA 4.0.