The story
From [Term?] + -navir (“HIV protease inhibitor”).
Etymology from Wiktionary, CC BY-SA 4.0.
atazanavir
Today it means: An antiretroviral drug of the protease inhibitor class that is administered orally in the form of its sulfate C₃₈H₅₂N₆O₇·H₂SO₄ in conjunction with other antiretroviral agents to treat HIV infected patients. Full definition →