the.com/demijohn

A glass belly so big it needs a wicker straitjacket and two strong friends.

means A large bulbous glass bottle, usually holding several gallons and wrapped in protective wicker or basketwork, used for storing or transporting liquids like wine or oil.

from From the French 'dame-jeanne,' literally 'Lady Jane' — a playful personification of the fat, round vessel as a portly matron. English speakers heard the French and reshaped it into 'demijohn' by folk etymology, as if it were part 'demi-' (half) and part 'John,' though neither half nor any actual John is involved. The French name itself is old, and where 'Lady Jane' first got attached to a bottle is genuinely uncertain — but the swap from French dame to English John is a lovely example of the ear remaking a foreign word into something familiar.

name origin
From French dame-jeanne, meaning Lady Jane
capacity
Holds up to 60 gallons of liquid
wicker armor
The basket weave stops cracks during transport
home use
Beloved by winemakers for slow fermentation
second life
Empty ones now command absurd decorator prices
for instance

demijohn of bordeaux wine — traditional french glass vessels holding 4.5 liters, used for aging wines in the bordeaux region since the 18th century

carboy in home brewing — 5-gallon glass demijohns widely used by american homebrewers for fermentation since the 1970s craft beer revival

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