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From enoxa- (of unknown origin) + -parin (“heparin derivative”).
Etymology from Wiktionary, CC BY-SA 4.0.
enoxaparin
Today it means: A fragment of heparin of low molecular weight (trademark Lovenox) that is administered by subcutaneous injection in the form of its sodium salt especially to prevent and treat deep vein thrombosis and pulmonary embolism following surgery. Full definition →