denim
Concise Oxford English Dictionary © 2008 Oxford University Press:
denim/ˈdenɪm/
▶noun a hard-wearing cotton twill fabric, typically blue.
■ (denims) jeans or other clothes made of denim.
– origin C17 (as serge denim): from Fr. serge de Nîmes, denoting serge from the town of Nîmes.
'denim' also found in these Oxford entries:

