RESERPINE

noun Etymology: German Reserpin, probably irregular from New Latin Rauwolfia serpentina, a species of rauwolfia Date: 1952 an alkaloid C 33 H 40 N 2 O 9 extracted especially from the root of rauwolfias and used as a tranquilizer especially in psychotic states (as schizophrenia) and as an antihypertensive