Etymograph

English

quadra

Quadra comes from Latin quadra ‘square’, from quattuor ‘four’, and ultimately from Proto-Indo-European *kʷetwṓr.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kʷetwṓr1reconstructed
  2. Proto-Italicc. 1500–700 BCE*kʷettwōr1‘four’reconstructed
  3. Latinc. 75 BCE–200 CEquattuor1‘four’
  4. Latinc. 75 BCE–200 CEquadrō1‘to make four-cornered, square, make square’uncertain
  5. Latinc. 75 BCE–200 CEquadrus1‘square’
  6. Latinc. 75 BCE–200 CEquadra1‘square’
  7. Englishtodayquadra1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English quadra

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kʷetwṓrWiktionary, English quadrareconstructed
  2. Proto-Italicc. 1500–700 BCE*kʷettwōrWiktionary, English quadra‘four’reconstructed
  3. Latinc. 75 BCE–200 CEquattuorWiktionary, English quadra‘four’
  4. Latinc. 75 BCE–200 CEquadrōWiktionary, English quadra‘to make four-cornered, square, make square’uncertain
  5. Latinc. 75 BCE–200 CEquadrusWiktionary, English quadra‘square’
  6. Latinc. 75 BCE–200 CEquadraWiktionary, English quadra‘square’
  7. EnglishtodayquadraWiktionary, English quadra

Linked words

through Proto-Indo-European *kʷetwṓr

four, 30 more

through Latin quattuor ‘four’

cater, squadron, cadre, cuatro, quatre, quatrain, 28 more

through Latin quadrus ‘square’

square, squad, 14 more

through Latin quadra ‘square’

quarry, 1 more

Today it means

noun The plinth, or lowest member, of any pedestal, podium, water table, or the like.

Sources

Sources: Wiktionary, “quadra”. 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 *kʷetwṓr / quadra

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