Etymograph

English

quadrupedy

Quadrupedy comes from French quadrupède ‘four-footed, quadrupedal’, from Proto-Italic *pets ‘foot’, and ultimately from Proto-Indo-European *ped- ‘to walk, to step’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ped-1‘to walk, to step’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*pṓds1‘foot’reconstructed
  3. Proto-Italicc. 1500–700 BCE*pets1‘foot’reconstructed
  4. Proto-Italicc. 1500–700 BCE*kʷetrupōts1‘quadrupedal’reconstructed
  5. Latinc. 75 BCE–200 CEquadrupedem1
  6. Frenchc. 1600–presentquadrupède1‘four-footed, quadrupedal’
  7. English1500–presentquadruped1
  8. Englishtodayquadrupedy1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English quadrupedy

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ped-Wiktionary, English quadrupedy‘to walk, to step’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*pṓdsWiktionary, English quadrupedy‘foot’reconstructed
  3. Proto-Italicc. 1500–700 BCE*petsWiktionary, English quadrupedy‘foot’reconstructed
  4. Proto-Italicc. 1500–700 BCE*kʷetrupōtsWiktionary, English quadrupedy‘quadrupedal’reconstructed
  5. Latinc. 75 BCE–200 CEquadrupedemWiktionary, English quadrupedy
  6. Frenchc. 1600–presentquadrupèdeWiktionary, English quadrupedy‘four-footed, quadrupedal’
  7. English1500–presentquadrupedWiktionary, English quadrupedy
  8. EnglishtodayquadrupedyWiktionary, English quadrupedy

Linked words

through Proto-Indo-European *ped- ‘to walk, to step’

pilot, expedition, fetch, footing, impeachment, footed, impediment, expedite, fet, ped, fetter, pada, 48 more

through Proto-Indo-European *pṓds ‘foot’

feet, foot, podium, pew, pug, baht, puy, poy, tripos, 37 more

through Proto-Italic *pets ‘foot’

pie, pioneer, pawn, pedestrian, pedal, pedigree, impede, pes, centipede, pedicure, petiole, peon, pedometer, pedicel, pedicle, biped, 13 more

Today it means

noun The condition of being a quadruped; quadrupedalism

Sources

Sources: Wiktionary, “quadrupedy”. 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 *ped- / quadrupedy

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