No one knows for sure the origin of the place name. Some seek to justify it. It could be a corruption of "chavascal" or would be a derivative of "key", chaval that means "place that closes a territory", which would be fully applicable to the mentioned place that is located near the border with Piuaí, a kind of corner the elbow. The region was occupied by primitive Tremembés Indians. Its first inhabitants were men from Iboaçu in the year of 1873, among them Priest Antonio Carneiro da Cunha Araújo considered the main founder of Chaval.