Pronunciation: [ˈə͡ʊ] (IPA) 
The word "eau" is a French word that means "water". Its spelling might seem confusing to English speakers as it is written without any vowels. However, when pronounced, it is easy to see why the French spell it this way. The IPA phonetic transcription for "eau" is /o/ which is the French way of spelling the long "o" sound in English. This phonetic similarity makes "eau" an appropriate spelling for "water" in French.
Eau is a French word that directly translates to "water" in English. As a noun, it refers to the clear, colorless, and odorless liquid that is essential for all life forms and commonly used for drinking, bathing, and other everyday activities. It is a fundamental component of nature, making up a significant proportion of the Earth's surface and living organisms. Eau is vital for various biological processes, including hydration, transportation of nutrients and waste, and temperature regulation.
In a more specific sense, eau can refer to different types of water or water-based products. For instance, eau de vie is a French term meaning "water of life" and is used to describe a strong, distilled alcoholic beverage made from various fruits. Eau de toilette translates to "toilet water" and is a type of lightly scented cologne or perfume that is typically applied to the body.
Additionally, eau can be used metaphorically to depict a gentle or delicate quality, often in the context of fragrance or flavor. It is frequently employed in the names of perfumes, fragrances, and cosmetics to convey a sense of freshness, lightness, or beauty. Overall, eau is a versatile term that primarily signifies water but can also encompass a range of related meanings in different contexts.
An essence or perfumed spirit.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
