langue d'oïl
Concise Oxford English Dictionary © 2008 Oxford University Press:
langue d'oïl /lɒ̃(g) ˈdɔɪl/
▶noun the form of medieval French spoken north of the Loire, generally characterized by the use of oïl to mean ‘yes’, and forming the basis of modern French.
– origin OFr. lit. ‘language of oïl’ (see above).
'langue d'oïl' also found in these Oxford entries:
