English
guerrillaism
From guerrilla + -ism.
Formed from guerrilla + -ism
Frankish *werʀ
Early Medieval Latin werra
Old Spanish guerra
Spanish guerra ‘war’
Spanish guerrilla
English guerrilla
Today it means
noun Guerrilla warfare; the activities of guerrillas.
Language periods are conventional ranges, not dates for this word.
Etymograph / guerrillaism