late 14c., from Latin opium, from Greek opion "poppy juice, poppy," diminutive of opos "vegetable juice."
Die Religion ist der Seufzer der bedrängten Kreatur, das Gemüth einer herzlosen Welt, wie sie der Geist geistloser Zustände ist. Sie ist das Opium des Volks. [Karl Marx, "Zur Kritik der Hegel'schen Rechts-Philosophie," in "Deutsch-Französische Jahrbücher," February, 1844]The British Opium War against China lasted from 1839-42; the name is attested from 1841.
opium o·pi·um (ō'pē-əm)
n.
A bitter, yellowish-brown, strongly addictive narcotic drug prepared from the dried juice of unripe pods of the opium poppy and containing alkaloids such as morphine, codeine, and papaverine. Also called meconium.