Etymology

double-decker

Today it means: A vehicle (usually a bus, coach or train) or aircraft with two floors. Full definition →

English deck ← Middle English dekke ← Middle Dutch dec
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Indo-European*dwiplós
  4. Proto-Italic*dwiplos
  5. Proto-Italic*duplos
  6. Latinduplus
  7. Old Frenchdoble
  8. Middle Englishdouble
  9. Englishdouble
  10. Proto-Indo-European*(s)teg-
  11. Proto-Germanic*þaką
  12. Proto-Germanic*þakjaną
  13. Proto-West Germanic*þakkjan
  14. Old Dutchthecken
  15. Middle Dutchdeckendeverb.
  16. Middle Dutchdec
  17. Middle Englishdekke
  18. Englishdeck
  19. English todaydouble-decker

From double + deck + -er.

Etymology from Wiktionary, CC BY-SA 4.0.