The story
First identified by Charles Joret and published in 1883.
Etymology from Wiktionary, CC BY-SA 4.0.
Joret line
Today it means: 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/. Full definition →