Etymology

heparin

H4E1P3A1R1I1N1

Today it means: A compound occurring in the liver and other tissues which inhibits blood coagulation. A sulfur-containing polysaccharide, it is used as an anticoagulant in the treatment of thrombosis. Full definition →

Latin hepar ← Ancient Greek ἧπαρ (hêpar) ← Proto-Hellenic *yêkʷər
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The story

  1. Proto-Indo-European*(H)yekʷ-
  2. Proto-Indo-European*yókʷr̥
  3. Proto-Hellenic*yêkʷər
  4. Ancient Greekἧπαρ (hêpar)
  5. Latinhepar
  6. English todayheparin

From Latin hepar (“liver”) + English -in.

Etymology from Wiktionary, CC BY-SA 4.0.