“Another ancient and extensive class of languages, united by a greater number of resemblances than can well be altogether accidental, may be denominated the Indo-european, comprehending the Indian, the West Asiatic, and almost all the European languages.”
“Adelung’s Mithridates,” Quarterly Review (1813). Coinage of the term Indo-European for the most extensive family of languages.
Excerpted from: Shapiro, Fred, ed. The Yale Book of Quotations. New Haven: Yale University Press, 2006.