It comes from the word "guerra," meaning "war," and "-illa," a diminutive suffix. It literally means "little war," and was initially used to describe small, irregular units of fighters who engaged in hit-and-run tactics.
It comes from the word "guerra," meaning "war," and "-illa," a diminutive suffix. It literally means "little war," and was initially used to describe small, irregular units of fighters who engaged in hit-and-run tactics.