prunella
Concise Oxford English Dictionary © 2008 Oxford University Press:
prunella /prʊˈnɛlə/
▶noun a strong silk or worsted fabric used formerly for barristers' gowns and the uppers of women's shoes.
– origin C17: perh. from Fr. prunelle ‘sloe’ (because of its dark colour).
'prunella' also found in these Oxford entries:

