Opium (noun)

1. A drug obtained from the opium poppy, consisting of alkaloids such as morphine and codeine.
2. A narcotic drug derived from the opium poppy, typically used for pain relief and as a sedative.

Origin:

From latin opium, from ancient greek ὄπιον (ópion, "poppy juice"), from ὄπως (ópōs, "popp.y")

Examples:

1. Opium is a highly addictive drug.
2. Opium use was prevalent in the 19th century.
3. Opium poppies are grown in many countries, including Afghanistan.
4. Opium was used as medicine before the development of synthetic alternatives.
5. Opium trade was one of the major reasons for the Opium Wars between China and British Empire.