Where does “pravoslavný” come from?

pravoslavný (Czech) comes from Czech pravoslaví, from Russian правосла́вие, from Ancient Greek ὀρθοδοξία, 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.

pravoslavný (Czech): Orthodox

Definitions

  1. Orthodox

Ancestry of “pravoslavný”, step by step

StepLanguageWordMeaning
1CzechpravoslavíOrthodoxy
2Russianправосла́виеOrthodoxy
3Ancient Greekὀρθοδοξίαright opinion
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
Every word from Proto-Indo-European -wós →Every word from Proto-Indo-European h₃erdʰ- →Every word from Proto-Indo-European h₃r̥dʰwós →