Etymology

quadrobics

quad·ro·bics
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Today it means: Physical actions, movements, and exercises performed by an individual on all fours to mimic those of an animal. Full definition →

English aerobics ← French aérobie ← Ancient Greek βίος (bíos)
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The story

  1. Proto-Indo-European*kʷetwóres
  2. Proto-Indo-European*kʷetwr̥-
  3. Proto-Italic*kʷetru-
  4. Proto-Indo-European*ped-
  5. Proto-Indo-European*pṓds
  6. Proto-Italic*pets
  7. Proto-Italic*kʷetrupōts
  8. Latinquadrupedem
  9. Frenchquadrupède
  10. Englishquadruped
  11. Proto-Indo-European*h₂el-
  12. Proto-Indo-European*h₂élisder.?
  13. Englishquadrupedal
  14. Proto-Indo-European*h₂ews-
  15. Proto-Indo-European*h₂ewsér
  16. Proto-Hellenic*auhḗr
  17. Ancient Greekἀήρ (aḗr)
  18. Proto-Indo-European*gʷeyh₃-
  19. Ancient Greekβίος (bíos)
  20. Frenchaérobie
  21. Englishaerobic
  22. Englishaerobics
  23. English todayquadrobics

Likely a blend of quadrupedal (“walking on four feet”) + aerobics.

Etymology from Wiktionary, CC BY-SA 4.0.