What does "goosefoot" mean?

Any of many flowering plants, of the saltbush subfamily Chenopodioideae, having small greenish flowers, including spinach.

Goosefoot

Common synonyms include: chenopodium genus, goosefoot leaf, goosefoot plant, goosefoot shape, pigweed.

/ˈɡuːsfʊt/ noun

noun ·Rare ·Advanced level

Noun

1
Any of many flowering plants, of the saltbush subfamily Chenopodioideae, having small greenish flowers, including spinach.
2
any of various weeds of the genus Chenopodium having small greenish flowers wordnet
3
Any of species Syngonium podophyllum of plants cultivated as houseplants, native from Bolivia to Mexico, naturalized elsewhere.

Calque of translingual Chenopodium, from Ancient Greek χήν (khḗn, “goose”) + πούς (poús, “foot”) + Latin -ium.