9 Grammatical Pitfalls
1820, from French stéthoscope, coined 1819 by its inventor, French physician René-Théophile-Hyacinthe Laënnec (1781-1826) from Greek stethos "chest, breast" + -scope. Greek stethos is perhaps related to sternon (see sternum); it meant "front of the chest," and was only rarely used of a woman's breasts, but in Modern Greek it became the preferred polite term.
stethoscope steth·o·scope (stěth'ə-skōp')
Any of various instruments used for listening to sounds produced within the body.
An instrument used in listening to internal body sounds. Most familiarly, physicians and nurses use it to listen to heart sounds.