Meaning of langue d'oïl in English:

langue d'oïl

noun

mass 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.

Pronunciation

langue d'oïl

/lɒ̃(ɡ) ˈdɔɪl/ /lɑ̃ɡ dɔjl/

Origin

From Old French langue ‘language’ (from Latin lingua ‘tongue’), d' (from de ‘of’), and oïl (from Latin hoc ille) ‘yes’. Compare with langue d'oc.