The word "清涧" is formed by combining the characters "清" and "涧". "清" is a semantic-phonetic compound with the water radical (氵) indicating its relation to water and the component "青" providing approximate pronunciation, conveying the meaning of clear or pure. "涧" is similarly a semantic-phonetic compound with the water radical (氵) for water-related meaning and "间" for phonetic indication, meaning a mountain stream. Together, the characters describe a clear stream, often used as a geographical name.