The story
- Proto-Indo-European*kʷetwóres
- Proto-Indo-European*kʷetwr̥-
- Proto-Italic*kʷetru-
- Proto-Indo-European*ped-
- Proto-Indo-European*pṓds
- Proto-Italic*pets
- Proto-Italic*kʷetrupōts
- Latinquadrupedem
- Frenchquadrupède
- English todayquadruped
Borrowed from French quadrupède, from Middle French, from Latin stem of quadrupēs (“four-footed, a four-footed animal”), from quadri- (“four-”) + stem of pes (“foot”). Alternatively analyzable as quadru- + -ped. Doublet of tetrapod.
Etymology from Wiktionary, CC BY-SA 4.0.