Alkaloid use of Ephedra and opium poppies. Also, coca leaves have been used by South American Indians since ancient times. Extracts from plants containing toxic alkaloids, such as aconitine and tubocurarine, were used since antiquity for poisoning arrows. Studies of alkaloids began in the 19th century. In 1804, the German chemist Friedrich Sertürner isolated from opium a "soporific principle" (), which he called "morphium" in honor of Morpheus, the Greek god of dreams; in German and some other Central-European languages, this is still the name of the drug. The term "morphine", used in English and French, was given by the French
Gregory (given name) one of the Three Hierarchs (Ancient Greek: Οἱ Τρεῖς Ἱεράρχαι; Greek: Οι Τρεις Ιεράρχες). The other two are Basil the Great, also known as Basil of Caesarea and John Chrysostom. All three have separate feast days in January: Basil on January 1, Gregory on January 25, and Chrysostom on January 27. Gregory (given name) The masculine first name Gregory derives from the Latin name "Gregorius", which came from the late Greek name "Γρηγόριος" (Grēgorios) meaning "watchful, alert" (derived from Greek "γρηγoρεῖν" "grēgorein" meaning "to watch"). Through folk etymology, the name also became associated with Latin "grex" (stem "greg–") meaning "flock"