14 letters · 17 points in Scrabble
noun chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age
originEtymology tree Proto-Indo-European *h₃ésth₁ Ancient Greek ὀστέον (ostéon)der. English osteo- English arthritis English osteoarthritis From osteo- + arthritis.
Etymology from Wiktionary, CC BY-SA 3.0