湧き水

1. Origins, structure, and basic meaning

• Structure: 湧き水, read わきみず, is spring water emerging from the ground or rocks.
• Basic usage: 湧き水が流れる presents the water itself; 湧き水の流れ isolates its course in a model.

2. Common pitfalls and similar expressions

• Spring water and its flow
  • The water takes が as the flowing subject, while の流れ names the movement or path represented.