A fragrant liquid which is a major constituent of the essential oils of anise, fennel, and some other plants, and is used as a flavouring agent.
Anethole is an aromatic ether. Systematic name: (E)-1-methoxy-4-(1-propenyl)benzene; C₁₀H₁₂O.
Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From German Anethol, with remodelling of the ending after -ole.