Where does “fyrfotad” come from?

fyrfotad (Swedish) comes from Swedish fot, from Old Swedish fōter, from Old Norse fótr, from Proto-Germanic fōts, from Proto-Indo-European pṓds, from Proto-Indo-European póds, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.

fyrfotad (Swedish): quadrupedal (walking on four feet)

Definitions

quadrupedal (walking on four feet)

Ancestry of “fyrfotad”, step by step

fyrfotad traces back through two separate lines of ancestry.

via Swedish fot

Step	Language	Word	Meaning
1	Swedish	fot	a foot; the body part touching the ground while...
2	Old Swedish	fōter	foot
3	Old Norse	fótr	a foot
4	Proto-Germanic	fōts	foot
5	Proto-Indo-European	pṓds	foot
6	Proto-Indo-European	póds	foot
7	Proto-Indo-European	ped-	to walk, to step; to stumble, to fall

via Swedish fyra

Step	Language	Word	Meaning
1	Swedish	fyra	four; four; the digit "4"; fourth-grader; pupil...
2	Old Swedish	fiurir	four
3	Old Norse	fjórir	four
4	Proto-Germanic	fedwōr	four
5	Proto-Indo-European	kʷetwóres	four
6	Proto-Indo-European	kʷe-	and

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