The story
From duta (“likely a coined element chosen by GlaxoSmithKline”) + -steride (“a testosterone reductase inhibitor”).
Etymology from Wiktionary, CC BY-SA 4.0.
dutasteride
Today it means: A synthetic drug C₂₇H₃₀F₆N₂O₂ that inhibits 5-alpha-reductase to convert testosterone into dihydrotestosterone and is used to treat benign prostatic hyperplasia. Full definition →