An Etymological Dictionary of Astronomy and Astrophysics

Information, ideas, or rumors deliberately spread widely to help or harm a person, group, movement, institution, nation, etc. (Dictionary.com).

Etymology (EN): From N.L. propaganda, short for Congregatio de Propaganda Fide, “congregation for propagating the faith,” a committee of cardinals established in 1622 by Gregory XV to supervise foreign missions, from L. propagare, → propagate.

Etymology (PE): Farâtucân, from prefix farâ-, → pro-,

• tucân from tucidan, → propagate.