taffeta
Concise Oxford English Dictionary © 2008 Oxford University Press:
taffeta /ˈtafɪtə/
▶noun a fine lustrous silk or similar synthetic fabric with a crisp texture.
– origin ME: from OFr. taffetas or med. L. taffata, based on Pers. tāftan ‘to shine’.
'taffeta' also found in these Oxford entries:

