Where does “onorthodox” come from?

onorthodox (Dutch) comes from Dutch orthodox, from Late Latin orthodoxus, from Ancient Greek ὀρθόδοξος, from Ancient Greek ὀρθός, from Proto-Hellenic ortʰwós, from Proto-Indo-European h₃r̥dʰwós, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.

onorthodox (Dutch): unorthodox, unconventional

Definitions

  1. unorthodox, unconventional

Ancestry of “onorthodox”, step by step

onorthodox traces back through two separate lines of ancestry.

via Dutch orthodox

StepLanguageWordMeaning
1Dutchorthodoxorthodox
2Late Latinorthodoxusorthodox
3Ancient Greekὀρθόδοξοςorthodox
4Ancient Greekὀρθόςstraight, upright, erect; straight forward, in a...
5Proto-Hellenicortʰwós
6Proto-Indo-Europeanh₃r̥dʰwós
7Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
8Proto-Indo-European-wósCreates adjectives from verb stems

via Dutch on

StepLanguageWordMeaning
1Dutchonrarely used as shorthand for oneven (odd), the prefix on- means not (corresponds to English un-)
Every word from Proto-Indo-European -wós