Etymology

osteoarthritis

O1S1T1E1O1A1R1T1H4R1I1T1I1S1

Today it means: A form of arthritis, affecting mainly older people, caused by chronic degeneration of the cartilage and synovial membrane of the joints, leading to pain and stiffness. Full definition →

English arthritis ← Ancient Greek ὀστέον (ostéon) ← Proto-Indo-European *h₃ésth₁
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The story

  1. Proto-Indo-European*h₃ésth₁
  2. Ancient Greekὀστέον (ostéon)
  3. Englishosteo-
  4. Englisharthritis
  5. English todayosteoarthritis

From osteo- + arthritis.

Etymology from Wiktionary, CC BY-SA 4.0.