preamble
Concise Oxford English Dictionary © 2008 Oxford University Press:
preamble /priːˈamb(ə)l, ˈpriː-/
▶noun a preliminary statement; an introduction.
– derivatives
preambular adjective.
preambular adjective.
– origin ME: from OFr. preambule, from med. L. praeambulum, from late L. praeambulus ‘going before’.
'preamble' also found in these Oxford entries:

