Where does “ultrastrenuous” come from?

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

ultrastrenuous (English): extremely strenuous

Definitions

  1. extremely strenuous

Ancestry of “ultrastrenuous”, step by step

ultrastrenuous 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 strenuous

StepLanguageWordMeaning
1EnglishstrenuousHaving great vigour or energy; forceful;...
2Latinstrēnuusbrisk, nimble, quick, prompt, active
3Proto-Indo-European(s)treg-rigid, stiff; to be stiff, rigid, strong
Every word from Proto-Indo-European -éh₂Every word from Latin -aEvery word from Latin ultrā