" The term evangelical derives from the Greek word euangelion meaning "gospel" or "good news." Technically speaking, evangelical refers to a person, church, or organization that is committed to the Christian gospel message that Jesus Christ is the savior of humanity. The Greek root word is used in the New Testament and was popularized in the first centuries A.D..." SEE: http://www.theatlantic.com/politics/archive/2015/12/evangelical-christian/418236/