1727, from Greek hēpatos, genitive of hepar "liver," from PIE root *yekwr- (source also of Sanskrit yakrt, Avestan yakar, Persian jigar, Latin jecur, Old Lithuanian jeknos "liver") + -itis "inflammation."
D. Harper. “Etymology of heparin.” Online Etymology Dictionary. https://www.etymonline.com/word/heparin (accessed $(datetime)).
updated on October 29, 2018
Definitions of heparin from WordNet
a polysaccharide produced in basophils (especially in the lung and liver) and that inhibits the activity of thrombin in coagulation of the blood; it (trade names Lipo-Hepin and Liquaemin) is used as an anticoagulant in the treatment of thrombosis and in heart surgery;
Synonyms: Lipo-Hepin / Liquaemin
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.