sarsenet
/ˈsɑːsnɪt
/(also sarcenet)
noun [mass noun]
A fine, soft silk fabric, used as a lining material and in dressmaking.
Origin
Late Middle English: from Anglo-Norman French sarzinett, perhaps a diminutive of sarzin 'Saracen', suggested by Old French drap sarrasinois 'Saracen cloth'.