[lahng daw-eel, daw-ee, doil] 
| the Romance language of medieval northern France: developed into modern French. |
| langue d'o·ïl (doil', doi', dô-ēl') n. The Romance language of medieval France north of the Loire River, on which modern French is based. [French, from Old French : langue, language; see language + de, of; see langue d'oc + oil, yes (ultimately from Latin hoc ille (fēcit), he (did) this : hoc, this; see Occitan + ille, he; see al-1 in Indo-European roots).] |