debris
Concise Oxford English Dictionary © 2008 Oxford University Press:
debris /ˈdɛbriː, ˈdeɪbriː/
▶noun scattered rubbish or remains.
■ loose natural material, e.g. broken rocks.
– origin C18: from Fr. débris, from obs. débriser ‘break down’.
'debris' also found in these Oxford entries:

