泉

1. Origins, structure, and basic meaning

• Structure: 泉(いずみ) is a noun for a spring where water emerges from the ground and gathers.
• Basic usage: A spring existing in the forest appears in 森の奥に泉がある, while resting nearby appears in 泉のそばで休む.

2. Common pitfalls and similar expressions

• Spring and nearby place
  • 泉 is the spring itself, while 泉のそば is a location beside it.
• Particles for existence and action
  • Use に for where the spring exists and で for an action performed nearby.