[F. crépon, in 16th c. crespon, deriv. of crespe, crêpe CRAPE.] A stuff resembling crape, but of firmer substance, made of fine worsted, silk, or a combination of the two.

1

1887.  Pall Mall Gaz., 19 Dec., 8/2. The bridesmaids … wore dresses of Liberty silk and crépon.

2

1890.  Daily News, 13 Sept., 3/1. Such a girl wore lately a pale blue crêpon dress.

3