The headdress is a red hat, or red, or red, or white, and is a cone-shaped cone hanging from the back of a black silk thread.
The origin of the word "ferb" is Persian, which is a "serpoush", ie the headdress, and is then "Sharboush".
«Vrk and a lot of Atlas, in a pattern of embroidered or embossed Cherubos decorated»
The word was also mentioned in the poetry of Ibn al-Nabihah, and he said:
You see the beak of the shabroosh over his forehead
Like the cilia of an aching edge of the moon
Then she used the Persian word again and became a "fats"