水-36 沟 [溝] (名) ① ditch; trench; channel ② groove; rut; furrow ③ gully; ravine

沟    沟是形声字。水为形符；冓为声符。《说文》注：“水渎，广四尺，深四尺。从水，冓声。”沟为一种田间水渠，宽四尺，深四尺。借指山沟。引申沟通。

沟 [溝] (名) ① ditch; trench; channel ② groove; rut; furrow ③ gully; ravine