The name is derived from "guhlu" (powdered galena for colouring the eyelids and eyelashes). The Arabs called this "kuhul" and it meant "most beautiful and finest". The term was then also used for liquids that were regarded as the essence or "spirit" of a substance. From this, "Al-kuhul-vini" (Latin alcool vini) is derived, meaning "the finest of wine" and denoting the spirit obtained from wine by distillation.
The art of producing alcohol by distillation was probably developed by Arab alchemists towards the end of the 1st millennium. Initially, plants, resins and aromatic substances such as rose petals, lavender or myrrh were used as raw materials from which essential oils, healing essences and cosmetic products were obtained. Later, fermented liquids such as wine, date and honey solutions were also distilled, producing potable alcohol for the first time. One of the first to describe the process was the Persian naturalist and physician Abū Bakr ar-Rāzī (Latin: Rhazes, around 865-925). The technique came to Europe via Arabic teachings.
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Markus J. Eser
Weinakademiker und Herausgeber „Der Weinkalender“