Where does “unvivacious” come from?

unvivacious (English) comes from English vivacious, from Latin vīvāx, from Latin -āx, from Latin -ium, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

unvivacious (English): Not vivacious

Definitions

  1. Not vivacious

Ancestry of “unvivacious”, step by step

unvivacious traces back through two separate lines of ancestry.

via English vivacious

StepLanguageWordMeaning
1EnglishvivaciousLively and animated; full of life and energy;...
2LatinvīvāxTenacious of life, long-lived, vivacious; venerable
3Latin-āxish, -y
4Latin-iumSuffix used to form abstract nouns, sometimes...
5Latin-iusforming adjectives from nouns; nominative neuter...
6Proto-Italic-jōsForms comparative adjectives
7Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -yósEvery word from Latin -iumEvery word from Latin -ius