Science Diction: The Origin Of 'Stethoscope'
The first stethoscope, invented by the French physician Ren? Laennec, was simply a hollow wooden or ebony tube. Laennec named the device using the Greek roots stethos, or chest, and skopein, to look at or to observe. Medical historian Howard Markel discusses how Laennec came up with the invention. Unlike the stethoscope familiar to patients today, the original device was a simple tube.
Source: http://www.npr.org/2011/11/25/142782877/science-diction-the-origin-of-stethoscope?ft=1&f=1007
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