Where does “ultracredulous” come from?

ultracredulous (English) comes from English credulous, from Latin crēdulus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

ultracredulous (English): extremely credulous

Definitions

  1. extremely credulous

Ancestry of “ultracredulous”, step by step

ultracredulous traces back through two separate lines of ancestry.

via English credulous

StepLanguageWordMeaning
1EnglishcredulousExcessively ready to believe things; gullible;...
2Latincrēdulusthat easily believes a thing, easy of belief
3Latin-ulusUsed to form a diminutive of a noun, indicating...
4Proto-Italic-olos
5Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
6Proto-Indo-European-e-lós
7Proto-Indo-European-lósForms agent nouns from verbal roots

via English ultra

StepLanguageWordMeaning
1EnglishultraExtreme; far beyond the norm; fanatical;...
2Latinultrābeyond
3Latin-asuffixed to the roots of verbs, forms agent...
4Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
5Proto-Indo-European-éh₂
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin crēdulus