Joret line
English
Etymology
First identified by Charles Joret and published in 1883.
Proper noun
- (linguistics) An isogloss used in the linguistics of the langues d'oïl. Dialects north of the line have preserved Vulgar Latin /k/ and /ɡ/ before /a/; dialects south of the line have palatalized /k/ and /ɡ/ before /a/.