Where does “Pediocactus” come from?

Pediocactus (Translingual) comes from Ancient Greek πεδίον, from Proto-Indo-European pēd-, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.

Pediocactus (Translingual): genus}}

Definitions

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Ancestry of “Pediocactus”, step by step

Pediocactus traces back through two separate lines of ancestry.

via Ancient Greek πεδίον

Step	Language	Word	Meaning
1	Ancient Greek	πεδίον	open country, field, plain, flat; metatarsus;...
2	Proto-Indo-European	pēd-	foot
3	Proto-Indo-European	ped-	to walk, to step; to stumble, to fall

via Translingual Cactus

Step	Language	Word	Meaning
1	Translingual	Cactus	obsolete genus of succulents
2	Latin	cactus	the cardoon, "Cynara cardunculus"
3	Ancient Greek	κάκτος	the cardoon, "Cynara cardunculus"; the artichoke...

Every word from Proto-Indo-European ped- →Every word from Proto-Indo-European pēd- →Every word from Ancient Greek πεδίον →