Meaning

noun political propaganda (especially communist propaganda) communicated via art and literature and cinema

originThe noun is borrowed from Russian агитпро́п (agitpróp, “agitprop”), Агитпро́п (Agitpróp, “Agitprop (Department for Agitation and Propaganda of the Soviet Union)”), short for отде́л агитации и пропаганды (otdél agitacii i propagandy, “Department for Agitation and Propaganda”); analysable as a blend of agitation + propaganda. The verb is derived from the noun.

Etymology from Wiktionary, CC BY-SA 3.0