根

1. Origins, structure, and basic meaning

• Structure: 根, read ね, means a plant's root or the source of something.
• Basic usage: It describes roots growing from a pot or the underlying source of a misunderstanding.
  • 植木鉢の底から白い根が伸びていた。

2. Common pitfalls and similar expressions

• The expression 根も葉もない
  • 根も葉もない means having no basis at all.