E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A valley famous for the victory gained by Mahomet, in which he was assisted by 3,000 angels, led by Gabriel, mounted on his horse Haïzum. (Al Koran.)
Beder. King of Persia, who married Giauharê, daughter of the most powerful of the under-sea emperors. Queen Labê tried to change him into a horse, but he changed her into a mare instead. (Arabian Nights, Beder and Giauharê.)