title: Guerrilla warfare
context: The Spanish word "guerrilla" is the diminutive form of "guerra" ("war"). The term became popular during the early-19th century Peninsular War, when the Spanish and Portuguese people rose against the Napoleonic troops and fought against a highly superior army using the guerrilla strategy. In correct Spanish usage, a person who is a member of a "guerrilla" unit is a "guerrillero" ([ɣeriˈʎeɾo]) if male, or a "guerrillera" ([ɣeriˈʎeɾa]) if female.
question: Why is it called guerrilla?
answers: is the diminutive form of "guerra" ("war")