Are yams and sweet potatoes the same?
1895, from French biopsie, coined by French dermatologist Ernest Besnier (1831-1909) from Greek bi- comb. form of bios "life" (see bio-) + opsis "a sight" (see eye (n.)). As a verb, from 1964.
biopsy bi·op·sy (bī'ŏp'sē)n.
The removal and examination of a sample of tissue from a living body for diagnostic purposes.
A specimen so obtained.