The story
From [Term?] + -navir (“HIV protease inhibitor”).
Etymology from Wiktionary, CC BY-SA 4.0.
nelfinavir
Today it means: An antiretroviral drug (trademark Viracept) of the protease inhibitor class that is used in the form of its mesilate C₃₂H₄₅N₃O₄S·CH₄O₃S to treat HIV infected patients. Full definition →