The doctor diagnosed his dizziness as being caused by hydrops in the inner ear.

hydrops 是医学专业术语，来自希腊语词根 "hydor"（水）加上后缀 "-ops"（表示状态或情况），字面意思是"水样状态"。 在医学上特指"积水"或"水肿"，指体液异常积聚在体腔或组织中的病理现象。这里指内耳淋巴液积聚导致的眩晕症状。