Where does “Orthodox” come from?

Orthodox (English) comes from Middle English orthodoxe, from Middle French orthodoxe, from Latin orthodoxus, from Ancient Greek ὀρθόδοξος, from Ancient Greek ὀρθός, from Proto-Hellenic ortʰwós, from Proto-Indo-European h₃r̥dʰwós, from Proto-Indo-European h₃erdʰ- — Creates adjectives from verb stems.

Orthodox (English): Of or pertaining to the Orthodox Churches...

Definitions

  1. Of or pertaining to the Orthodox Churches...

Ancestry of “Orthodox”, step by step

StepLanguageWordMeaning
1Middle Englishorthodoxeorthodox conforming to true and received religious doctrine
2Middle Frenchorthodoxe
3Latinorthodoxusorthodox
4Ancient Greekὀρθόδοξοςorthodox
5Ancient Greekὀρθόςstraight, upright, erect; straight forward, in a...
6Proto-Hellenicortʰwós
7Proto-Indo-Europeanh₃r̥dʰwós
8Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
9Proto-Indo-European-wósCreates adjectives from verb stems

Words derived from “Orthodox

Every word from Proto-Indo-European -wós