Webster's Revised Unabridged Dictionary · 1913

Pamphlet

Pamphlet (pam"flet) , noun

[Old English pamflet, pamfilet, paunflet, possibly from Old French palme the palm of the hand, French paume (see Palm) + Old French fueillet a leaf, dim. of fueil, m., French feuille, f., from Latin folium, pl. folia, thus meaning, a leaf to be held in the hand; or perh. through old French, from Latin Pamphila, a female historian of the first century who wrote many epitomes; prob., however, from Old French Pamflette, the Old French name given to Pamphilus, a poem in Latin verse of the 12th century, pamphlets being named from the popularity of this poem.]

1.
A writing; a book. — Testament of love
Sir Thomas More in his pamphlet of Richard the Third. — Ascham
2.
A small book consisting of a few sheets of printed paper, stitched together, often with a paper cover, but not bound; a short essay or written discussion, usually on a subject of current interest.

Pamphlet (pam"flet) , intransitive verb

To write a pamphlet or pamphlets. [Rare] — Howell