melezitose
/məˈlɛzɪtəʊs/Chemistry
noun
A trisaccharide sugar, C18H32O16, consisting of one fructose and two glucose units, originally isolated from the sap of larches.
Origin
Mid 19th century; earliest use found in William A. Miller (1817–1870), chemist. From French mélézitose from mélèze larch (masculine; 1552 in Middle French as feminine) + -itose (in melitose).