伸び

1. Origins, structure, and basic meaning

• Structure: In 伸び (のび), growth 伸 plus nominal び forms a noun for extension or increase.
• Basic usage: 伸び can mean an increase in physical length or growth in performance, ability, or a numerical value.

2. Common pitfalls and similar expressions

• Extension and growth
  • The object and predicate after 伸びが distinguish physical extension from abstract increase.