Etymograph

English

vivacity

Vivacity comes from Latin vīvācitās ‘natural vigor, vital force, vivaciousness,…’, from Proto-Italic *gʷīwō ‘to live, to be alive’, and perhaps ultimately from Proto-Indo-European *gʷeyh₃-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*gʷeyh₃-1‘to live’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*gʷih₃wós1‘alive, living’uncertain
  3. Proto-Indo-Europeanc. 4500–2500 BCE*gʷíh₃weti1‘to live, to be alive’reconstructed
  4. Proto-Italicc. 1500–700 BCE*gʷīwō1‘to live, to be alive’reconstructed
  5. Latinc. 75 BCE–200 CEvīvō1
  6. Latinc. 75 BCE–200 CEvīvāx1‘vivacious, lively’
  7. Latinc. 75 BCE–200 CEvīvācitās2‘natural vigor, vital force, vivaciousness, tenaciousness’
  8. Englishearliest quotation 1612vivacity2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin vivacitas
  2. 2 Wiktionary, English vivacity
  3. Earliest quotation in Wiktionary’s entry: 1612, Francis Bacon, Of Youth and Age: “But reposed natures may do well in youth. […]…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*gʷeyh₃-Wiktionary, Latin vivacitas‘to live’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*gʷih₃wósWiktionary, Latin vivacitas‘alive, living’uncertain
  3. Proto-Indo-Europeanc. 4500–2500 BCE*gʷíh₃wetiWiktionary, Latin vivacitas‘to live, to be alive’reconstructed
  4. Proto-Italicc. 1500–700 BCE*gʷīwōWiktionary, Latin vivacitas‘to live, to be alive’reconstructed
  5. Latinc. 75 BCE–200 CEvīvōWiktionary, Latin vivacitas
  6. Latinc. 75 BCE–200 CEvīvāxWiktionary, Latin vivacitas‘vivacious, lively’
  7. Latinc. 75 BCE–200 CEvīvācitāsWiktionary, English vivacity‘natural vigor, vital force, vivaciousness, tenaciousness’
  8. Englishearliest quotation 1612vivacityWiktionary, English vivacity. Earliest quotation in Wiktionary’s entry: 1612, Francis Bacon, Of Youth and Age: “But reposed natures may do well in youth. […]…”

Linked words

through Proto-Indo-European *gʷeyh₃- ‘to live’

biology, kidney, hygiene, viable, vitamin, revive, zodiac, anaerobic, quicken, quicksilver, vitality, quickness, biogenesis, wyvern, 58 more

through Proto-Indo-European *gʷih₃wós ‘alive, living’

quick, couch, vive, 34 more

through Latin vīvō

vital, vivid, convivial, 14 more

Today it means

noun The quality or state of being vivacious.

Sources

Sources: Wiktionary, “vivacity”; the older steps come from the Wiktionary entry for Latin vivacitas. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *gʷeyh₃- / vivacity

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