登る

1. Origins, structure, and basic meaning

• Structure: 登る (のぼる) adds okurigana る to ascent 登, forming an intransitive verb.
• Basic usage: It describes climbing a mountain and a cat getting onto the top of a wall.

2. Common pitfalls and similar expressions

• Climbing toward an elevated destination
  • 登る presents upward movement onto a named high place, not every numerical or abstract increase.