豆苗

1. Origins, structure, and basic meaning

• Structure: 豆苗 (とうみょう) is a noun for young pea shoots used as a vegetable.
• Basic usage: 豆苗を炒める makes the shoots the vegetable cooked for dinner, while 豆苗の根元 specifies the base placed in water for regrowth after cutting.

2. Common pitfalls and similar expressions

• Cooked shoots and regrown base
  • 豆苗を炒める cooks the edible shoots, whereas 豆苗の根元 refers to the remaining base. The second example does not place the cooked side dish in water.