The Collaborative International Dictionary of English v.0.48:

Sendal \Sen"dal\, n. [OF. cendal (cf. Pr. & Sp. cendal, It.
   zendale), LL. cendallum, Gr. ??? a fine Indian cloth.]
   A light thin stuff of silk. [Written also cendal, and
   sendal.] --Chaucer.
   [1913 Webster]

         Wore she not a veil of twisted sendal embroidered with
         silver? --Sir W. Scott.
   [1913 Webster]