The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A pale yellow isoflavone derivative C₁₅H₁₀O₅ originally obtained from dyer's broom (Genista tinctoria) and also present as a glycoside in soybeans and other leguminous plants, which has antioxidant, estrogenic, and other physiological effects in humans and animals. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.