1874, from Modern Latin cocaine (1856), coined by Albert Niemann of Gottingen University from coca (from Quechua cuca) + chemical suffix -ine (2). A medical coinage, the drug was used 1870s as a local anaesthetic for eye surgery, etc. "It is interesting to note that although cocaine is pronounced as a disyllabic word it is trisyllabic in its formation." [Flood]
cocaine co·caine (kō-kān', kō'kān')
n.
A colorless or white crystalline alkaloid extracted from coca leaves, sometimes used as a local anesthetic especially for the eyes, nose, or throat and widely used as an illicit drug for its euphoric and stimulating effects.
A drug derived from the leaves of a shrub in South America that has an intoxicating effect on the body and can result in dependency if frequently used. Cocaine is used medically as a local anesthetic.
Note: Cocaine use constitutes a major drug problem in the United States.