Etymology

hypersphere

hy·per·sphere
H4Y4P3E1R1S1P3H4E1R1E1

Today it means: The set of all points in a given hyperspace that are at a given distance from a given point; a generalization of a sphere in four or more dimensions. Full definition →

English sphere ← Middle English spere ← Old French sphere
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The story

  1. Proto-Indo-European*úp
  2. Proto-Indo-European*upér
  3. Proto-Hellenic*hupér
  4. Ancient Greekῠ̔πέρ (hŭpér)
  5. Ancient Greekῠ̔περ- (hŭper-)
  6. Englishhyper-
  7. Ancient Greekσφαῖρᾰ (sphaîră)
  8. Latinsphaera
  9. Late Latinsphēra
  10. Old Frenchsphere
  11. Middle Englishspere
  12. Englishsphere
  13. English todayhypersphere

From hyper- + sphere.

Etymology from Wiktionary, CC BY-SA 4.0.