尽きる

1. Origins, structure, and basic meaning

• Structure: 尽きる (reading つきる) is an ichidan intransitive verb meaning that a supply, resource, interest, or other quantity is completely exhausted or reaches its end.
• Basic usage: It covers literal depletion such as water running out and abstract continuity when interest never runs out.

2. Common pitfalls and similar expressions

• Positive and negative patterns
  • 水が尽きる states total depletion; 興味が尽きることがない emphasizes that interest remains inexhaustible.
• Intransitive scope
  • 尽きる describes the thing itself running out; deliberately using all of something can instead be expressed with 使い尽くす.