Etymology

tendinitis

ten·din·i·tis
T1E1N1D2I1N1I1T1I1S1

Today it means: Inflammation of a tendon. Full definition →

New Latin tendin- ← Latin tendō ← Ancient Greek τένων (ténōn)
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The story

  1. Proto-Indo-European*ten-der.?
  2. Ancient Greekτένων (ténōn)
  3. Latintendō
  4. New Latintendin-
  5. English todaytendinitis

From New Latin tendin-, stem of Medieval Latin tendō, from Ancient Greek τένων (ténōn, “tendon, sinew”). By surface analysis, tendon + -itis and tendo- + -itis but not actually formed in this way; similarly with tendinopathy § Etymology.

Words from the same roots

Ancient Greekτένων all →

tendonendotenonepitenonparatenonteno-

Etymology from Wiktionary, CC BY-SA 4.0.