Where does “ultraorthodox” come from?

ultraorthodox (English) comes from English Orthodox, 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 — Creates adjectives from verb stems.

ultraorthodox (English): Very orthodox, chiefly among Jewish sects

Definitions

  1. Very orthodox, chiefly among Jewish sects

Ancestry of “ultraorthodox”, step by step

ultraorthodox traces back through two separate lines of ancestry.

via English Orthodox

StepLanguageWordMeaning
1EnglishOrthodoxOf or pertaining to the Orthodox Churches...
2Middle Englishorthodoxeorthodox conforming to true and received religious doctrine
3Middle Frenchorthodoxe—
4Latinorthodoxusorthodox
5Ancient Greekὀρθόδοξοςorthodox
6Ancient Greekὀρθόςstraight, upright, erect; straight forward, in a...
7Proto-Hellenicortʰwós—
8Proto-Indo-Europeanh₃r̥dʰwós—
9Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
10Proto-Indo-European-wósCreates adjectives from verb stems

via English ultra

StepLanguageWordMeaning
1EnglishultraExtreme; far beyond the norm; fanatical;...
2Latinultrābeyond
3Latin-asuffixed to the roots of verbs, forms agent...
4Proto-Italic-āForms masculine agent nouns from prefixed or compounded bases
5Proto-Indo-European-éh₂—
Every word from Proto-Indo-European -wós →Every word from Proto-Indo-European h₃erdʰ- →Every word from Proto-Indo-European h₃r̥dʰwós →