Eaux
Eaux is the plural form of the French noun eau, meaning waters. In everyday French, eau is typically treated as an uncountable substance, but when speaking of distinct bodies of water or different sources, the plural eaux is used. Examples include les eaux du lac (the waters of the lake), les eaux marines (the sea waters), or les eaux usées (wastewater).
Etymology and pronunciation: The word eau comes from Latin aqua, and the plural form -eau becomes -eaux
Toponymy and usage: The element eau or eaux appears frequently in French-speaking place names and descriptions
See also: The singular eau, meaning water in French, and related compounds like eaux-de-vie, a term for