豆: legume (esp. edible legumes or their seeds, such as beans, peas, pulses, etc.)

豆まめ mame

legume (esp. edible legumes or their seeds, such as beans, peas, pulses, etc.); beans; soya bean (Glycine max); soybean; miniature; tiny

JLPT N3Other

豆まめも育そだてて、食たべました。

They also grew beans and ate them.

クリや豆まめを育そだてていたと考かんがえられています。

It is thought that they also cultivated chestnuts and beans.