orthodox

The story

1. Ancient Greek · derived fromὀρθόδοξος
2. Late Latin · derived fromorthodoxus
3. Middle French · derived fromorthodoxe
4. Middle English · inherited fromorthodoxe
5. English todayorthodox

From 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”). Displaced native Old English wuldorlīċ.

First known use, by meaning

• from 15th c. Conforming to the accepted, established, or traditional doctrines of a given faith, religion, or ideology.
• 1640s Adhering to whatever is customary, traditional, or generally accepted.
• 1772 Of the eastern churches, Eastern Orthodox.
• 1853 Of a branch of Judaism.
• c. 1975 Of pollen, seed, or spores: viable for a long time; viable when dried to low moisture content.