the vernacular language or group of dialects, of which few records survive, spoken in France between about 600 ad and 900 ad; the intermediate stage between Vulgar Latin and Old French
adjective
2.
denoting or relating to this language or the period during which it was spoken
Gallo-Romance in American English
(ˌɡælourouˈmæns)
noun
the vernacular language, a development from Latin, spoken in France from about a.d.600 to 900