As a specific for gout colchicum was early employed by the Arabs; and the preparation known as eau medicinale, much resorted to in the 18th century for the cure of gout, owes its therapeutic virtues to colchicum; but general attention was first directed by Sir Everard Home to the use of the drug in gout.
Eau de vie (" elixir of life") was in use during the 13th and 14th centuries; Arnoldus Villanovanus applied it to the product of distilled wine, though not as a specific name.
This refrigerant and anhidrotic action is employed to soothe many forms of headache by bathing the forehead with eau de Cologne.
From one of the mineral springs comes a heavily charged water known in commerce as "Eau de Vals," and in great request in Smyrna.
The word 6 uXia from iatXEiv (buou, Eau)), meaning communion, intercourse, and especially interchange of thought and feeling by means of words (conversation), was early employed in classical Greek to denote the instruction which a philosopher gave to his pupils in familiar talk (Xenophon, Memorabilia, I.