What is one suggested origin for the term *bouchon* referencing wine sealing?

Answer

The cork used to seal jugs of Beaujolais or Mâcon wine

One common proposed origin for the term *bouchon* links it to the cork (*bouchon*) used specifically to seal jugs containing Beaujolais or Mâcon wine served at these establishments.

What is one suggested origin for the term *bouchon* referencing wine sealing?
foodLyoncuisinedishbouchon