The story
Probably from (f)lu(oro)- + bi(cyclo) + -prost- (“prostaglandin”) + -one.
Etymology from Wiktionary, CC BY-SA 4.0.
lubiprostone
Today it means: A laxative drug C₂₀H₃₂F₂O₅ taken orally in the treatment of chronic constipation and irritable bowel syndrome with constipation. It is marketed under the trademark Amitiza. Full definition →