Literally meaning: “pertaining to opium head”
Origin: Anc Greek
κώδεια/codeia=head of a poppy)
Codeine was first isolated in 1832 by French pharmacist Pierre Robiquet (1780 – 1840) while working on morphine extraction processes. Robiquet is also credited with discovering caffeine (independently of Pelletier, Caventou, and Runge) aspragine (with Vauquelin), alizarin and purpurin (with Colin), orcin, and orcein in lichens, cantharidin in cantharides, amygdaline in bitter almonds (with Boutron-Charlard).
Codeine is an alcaloid (C18H21NO3) derived by opium (Papaverum somniferum) with narcotic and analgesic activities.