E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Al iris.
Sultan of Lower Bucharia. Under the disguised name of Feramorz, he accompanied Lalla Rookh, his betrothed, from Delhi, and won her heart by his ways, and the tales he told on the journey. The lady fell in love with the poet, and was delighted to find, on the morning of the wedding, that Feramorz was, in fact, the sultan, her intended husband.T. Moore: Lalla Rookh.