Meaning

adjective of or pertaining to or characteristic of Judaism

adjective adhering to what is commonly accepted

adjective of or relating to or characteristic of the Eastern Orthodox Church

originFrom Late Middle English orthodoxe, from Middle French orthodoxe and its etymon Late Latin orthodoxus, from Ancient Greek ὀρθόδοξος (orthódoxos), from ὀρθός (orthós, “straight”) + δόξα (dóxa, “opinion”).

Etymology from Wiktionary, CC BY-SA 3.0