Claimed To get from the Egyptian metropolis الفُسْطَاط (al-fusṭāṭ), initially becoming markedly a raiment of Egyptian Gals, or so known as as it was coloured with fustet, or relevant to The material fustian, the first usually derived as from Arabic فُسْتُق (fustuq) using an Occitanized ending and the 2nd term https://revan.com.sa/ar