The story
From zafir- (of unknown origin) + -lukast (“leukotriene receptor antagonist”).
Etymology from Wiktionary, CC BY-SA 4.0.
zafirlukast
Today it means: A leukotriene antagonist C₃₁H₃₃N₃O₆S that is administered orally to inhibit bronchoconstriction in the treatment of asthma. Full definition →