Origins
Cholesterol means solid bile, a name that records where the molecule was first found rather than what it does in the body.βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ French chemist Michel Eugene Chevreul coined the term cholesterine in 1816 after isolating a waxy, solid substance from human gallstones. He combined Greek chole (bile) with stereos (solid) and the chemical ending -ine. The modern form cholesterol, with the -ol suffix indicating an alcohol compound, replaced cholesterine later in the 19th century.
The Greek root chole appears in several medical terms. Cholera was originally attributed to an excess of bile. Melancholy combines melas (black) with chole β black bile, the humor thought to cause depression in ancient Greek medicine. The gallbladder's medical name, cholecyst, preserves the same root.
Stereos, meaning solid or firm, produced an equally productive English family. Stereo (three-dimensional sound), stereotype (originally a solid printing plate), and steroid (a compound with a rigid molecular ring structure) all descend from the same Greek word for solidity.
Later History
Chevreul had no idea of cholesterol's biological significance. He was simply cataloging the chemical composition of animal fats and gallstones. The connection between cholesterol and cardiovascular disease emerged only in the early 20th century. Russian pathologist Nikolai Anichkov demonstrated in 1913 that feeding cholesterol to rabbits produced arterial plaques, but his work was largely ignored for decades.
The Framingham Heart Study, launched in 1948 in Massachusetts, provided the large-scale epidemiological data linking elevated blood cholesterol to heart attack risk. By the 1980s, statin drugs targeting cholesterol production were transforming cardiology. A molecule named for gallstones in a French laboratory became the central villain in the leading cause of death worldwide β a significance its discoverer could never have imagined.