Word Origin & History
pamphlet"small, unbound treatise," late 14c., from Anglo-Latin panfletus, popular short form of "Pamphilus, seu de Amore" ("Pamphilus, or about Love"), a short L. love poem of 12c., popular and widely copied in Middle Ages; the name from Gk. pamphilos "loved by all," from pan- "all" + philos "loving, dear."
Meaning "brief work dealing with questions of current interest" is late 16c. Pamphleteer (n.) is first recorded 1640s.