pristane
/ˈprɪsteɪn/Chemistry
noun
A saturated hydrocarbon which is a colourless oil and occurs in the liver oils of certain sharks and related species; 2,6,10,14-tetramethyl pentadecane, C19H40.
Origin
1920s; earliest use found in Journal of the Chemical Society. From German Pristan from classical Latin pristis large fish or sea mammal, sometimes identified with the sawfish + German -an.