Orthodox

Orthodox (adjective): conforming to established doctrine, especially in religion.

Orthodox comes from the Greek orthos, "straight," and the Latin doceo, "to teach." Orthodox is "straight teaching," the accepted opinion. This term is also used in "Eastern Orthodox" and "Orthodox Judaism," denoting a specific religion.

Bibliography

Rev. Socias, James. Introduction to Catholicism: A Complete Course. Woodridge, Illinois: Midwest Theological Forum, 2011.