Word Study
panne
CIDE DICTIONARY
panne, n. [F.].
A fabric resembling velvet, but having the nap flat and less close. [Webster 1913 Suppl.]
OXFORD DICTIONARY
panne, n. (in full panne velvet) a velvet-like fabric of silk or rayon with a flattened pile.
Etymology
F
For further exploring for "panne" in Webster Dictionary Online