lanolin (n.) Look up lanolin at Dictionary.com
fatty matter extracted from sheep's wool, 1885, from German Lanolin, coined by German physician Mathias Eugenius Oscar Liebreich (1838-1908) from Latin lana "wool" (from PIE root *wele- (1) "wool;" see wool) + oleum "oil, fat" (see oil (n.)) + chemical suffix -in (2).