- caffeine
[caffeine 词源字典]
- caffeine: see coffee
[caffeine etymology, caffeine origin, 英语词源] - caffeine (n.)
- trimethyl-derivative of xanthine, 1830, from German Kaffein, coined by chemist F.F. Runge (1795-1867), apparently from German Kaffee "coffee" (see coffee) + chemical suffix -ine (2) (German -in). The form of the English word may be via French caféine.