Where does “ultradiffuse” come from?

ultradiffuse (English) comes from English ultra, from Latin ultrā, from Latin -a, from Proto-Italic -ā, from Proto-Indo-European -éh₂.

ultradiffuse (English): Extremely diffuse

Definitions

  1. Extremely diffuse

Ancestry of “ultradiffuse”, step by step

ultradiffuse traces back through two separate lines of ancestry.

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

via English diffuse

StepLanguageWordMeaning
1EnglishdiffuseTo spread over or through as in air, water, or...
2Middle Englishdiffuse
3Latindiffūsusdiffused or spread (throughout)
4Latindiffunderesecond-person singular future passive indicative...
Every word from Proto-Indo-European -éh₂Every word from Latin -aEvery word from Latin ultrā