Where does “Trapezus” come from?

Trapezus (English) comes from Latin Trapezūs, from Ancient Greek Τραπεζοῦς, from Ancient Greek τράπεζα, from Ancient Greek *τετράπεζα, from Ancient Greek πέζα, from Ancient Greek πούς, from Proto-Indo-European pṓds, from Proto-Indo-European póds — to walk, to step; to stumble, to fall.

Ancestry of “Trapezus”, step by step

StepLanguageWordMeaning
1LatinTrapezūsTrabzon a city in Pontus (NE Anatolia on the Black Sea)
2Ancient GreekΤραπεζοῦςTrapezus, a colony in Pontus founded by Miletus
3Ancient Greekτράπεζαa table
4Ancient Greek*τετράπεζα
5Ancient Greekπέζαfoot, edge; foot, instep, bottom; -footed,...
6Ancient Greekπούςfoot; leg; Greek foot or pous, the ancient Greek...
7Proto-Indo-Europeanpṓdsfoot
8Proto-Indo-Europeanpódsfoot
9Proto-Indo-Europeanped-to walk, to step; to stumble, to fall
Every word from Proto-Indo-European ped-Every word from Proto-Indo-European pódsEvery word from Proto-Indo-European pṓds