か涸kaれるreru
1.
To undergo a process where moisture is lost, resulting in the desiccation of an environment that typically contains water, such as a stream or reservoir.
2.
To experience a depletion of essential resources or qualities, indicating a loss of vitality or dynamism, as seen in creative inspiration or emotional fervor.
3.
To have the inherent attributes or expressions of something become diminished or withered, leading to a state lacking in richness or vibrancy.
Example:
水の価値は井戸がかれて初めて分かる。