Etymology

apocenter

A1P3O1C3E1N1T1E1R1

Today it means: The furthest point of an astronomical object in an elliptical orbit to its center of attraction (the principal focus of the ellipse) Full definition →

English center ← Middle English center ← Middle French centre
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The story

  1. Proto-Indo-European*h₂ep
  2. Proto-Indo-European*h₂epó
  3. Proto-Hellenic*apó
  4. Ancient Greekᾰ̓πό (ăpó)
  5. Ancient Greekᾰ̓πο- (ăpo-)
  6. Englishapo-
  7. Latincentrum
  8. Middle Frenchcentre
  9. Middle Englishcenter
  10. Englishcenter
  11. English todayapocenter

From apo- + center.

Etymology from Wiktionary, CC BY-SA 4.0.