Morphine
来自Big Physics
early 19th century: from German Morphin, from the name of the Roman god Morpheus (see Morpheus).
wiktionary
Borrowed from French morphine or German Morphin, from Ancient Greek Μορφεύς(Morpheús, “the god and personification of dreams”).
etymonline
morphine (n.)
chief alkaloid of opium (used as a narcotic pain-killer), 1828, from French morphine or German Morphin (1816), name coined by German apothecary Friedrich Sertürner (1783-1840) in reference to Latin Morpheus (q.v.), Ovid's name for the god of dreams, from Greek morphē "form, shape, beauty, outward appearance," which is of unknown origin. So called because of the drug's sleep-inducing properties.