Where does “trapézoïde” come from?

trapézoïde (French) comes from German Trapez, from French trapèze, from Latin trapezium, from Ancient Greek τραπέζιον, from Ancient Greek τράπεζα, from Ancient Greek *τετράπεζα, from Ancient Greek πέζα, from Ancient Greek πούς — to walk, to step; to stumble, to fall.

trapézoïde (French): trapezoid; trapezoid bone

Definitions

trapezoid; trapezoid bone

Ancestry of “trapézoïde”, step by step

trapézoïde traces back through two separate lines of ancestry.

via German Trapez

Step	Language	Word	Meaning
1	German	Trapez	trapeze, trapezium (gymnastics, sailing)
2	French	trapèze	trapeze; trapezium; trapezium, trapezium bone
3	Latin	trapezium	trapezium, trapezoid
4	Ancient Greek	τραπέζιον	irregular quadrilateral; little table; small...
5	Ancient Greek	τράπεζα	a table
6	Ancient Greek	*τετράπεζα	—
7	Ancient Greek	πέζα	foot, edge; foot, instep, bottom; -footed,...
8	Ancient Greek	πούς	foot; leg; Greek foot or pous, the ancient Greek...
9	Proto-Indo-European	pṓds	foot
10	Proto-Indo-European	póds	foot
11	Proto-Indo-European	ped-	to walk, to step; to stumble, to fall

via Ancient Greek τρᾰπεζοειδής

Step	Language	Word	Meaning
1	Ancient Greek	τρᾰπεζοειδής	—

Words derived from “trapézoïde”

Every word from Proto-Indo-European ped- →Every word from Proto-Indo-European póds →Every word from Proto-Indo-European pṓds →