Eau (trigraph)
Eau is a trigraph which occurs in some languages that use the Latin script, such as French and English.
French
In Modern French, is pronounced [Close-mid back rounded vowel|] and often appears at the end of a word. Generally, alternates with in another form of a word, for example, the feminine of chameau is chamelle. There are three main ways of spelling :,, and, out of which is by far the rarest.In Old French, represented a triphthong, probably pronounced . This triphthong originated from the Proto-French diphthong, which had formed from the sequence of and, where L had vocalized. In the 12th and 13th centuries, both and were used, but soon became the standard spelling. Eau is also a word in French.