Etymology

triplane

T1R1I1P3L1A1N1E1

Today it means: Composed of, or relating to, three planes (flat surfaces extending infinitely in all directions). Full definition →

English plane ← French aéroplane ← Ancient Greek ᾱ̓ερόπλᾰνος (āeróplănos)
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The story

  1. Proto-Indo-European*tréyes
  2. Proto-Indo-European*tri-
  3. Proto-Italic*tri-
  4. Latintri-
  5. Englishtri-
  6. Proto-Indo-European*h₂ews-
  7. Proto-Indo-European*h₂ewsér
  8. Proto-Hellenic*auhḗr
  9. Ancient Greekᾱ̓ήρ (āḗr)
  10. Ancient Greekπλανάω (planáō)
  11. Ancient Greekᾱ̓ερόπλᾰνος (āeróplănos)
  12. Frenchaéroplane
  13. Englishaeroplaneclip.
  14. Englishplane
  15. English todaytriplane

From tri- + plane.

Etymology from Wiktionary, CC BY-SA 4.0.