langue d'oil. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.

The American Heritage^® Dictionary of the English Language: Fourth Edition. 2000.

langue d'oïl

SYLLABICATION:	langue d'o·ïl
PRONUNCIATION:	doil, doi, dô-l
NOUN:	The Romance language of medieval France north of the Loire River, on which modern French is based.
ETYMOLOGY:	French, from Old French : langue, language; see language + de, of; see langue d'oc + oil, yes (ultimately from Latin hoc ille (fcit), he (did) this ( hoc, this; see Occitan + ille, he; see al-¹ in Appendix I).


The American Heritage^® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.