Where does “*τετράπεζα” come from?

*τετράπεζα (Ancient Greek) comes from Ancient Greek πέζα, from Ancient Greek πούς, from Proto-Indo-European pṓds, from Proto-Indo-European póds, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.

Ancestry of “*τετράπεζα”, step by step

*τετράπεζα traces back through two separate lines of ancestry.

via Ancient Greek πέζα

Step	Language	Word	Meaning
1	Ancient Greek	πέζα	foot, edge; foot, instep, bottom; -footed,...
2	Ancient Greek	πούς	foot; leg; Greek foot or pous, the ancient Greek...
3	Proto-Indo-European	pṓds	foot
4	Proto-Indo-European	póds	foot
5	Proto-Indo-European	ped-	to walk, to step; to stumble, to fall

via Ancient Greek τετράς

Step	Language	Word	Meaning
1	Ancient Greek	τετράς	the number four; tetrarchy; four-leaved pamphlet,...
2	Proto-Indo-European	kʷetwóres	four
3	Proto-Indo-European	kʷe-	and

Words derived from “*τετράπεζα”

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