The Word of the Day comes from THE WATER DANCER by Ta-Nehisi Coates. It is shortlisted for the 2020 TOURNAMENT OF BOOKS.
NOUN demijohns (plural noun) · demi-john (noun) · demi-johns (plural noun)
a bulbous narrow-necked bottle holding from 3 to 10 gallons of liquid, typically enclosed in a wicker cover.
ORIGIN mid 18th century: probably an alteration of Frenchdame-jeanne‘Lady Jane’, by association with demi-‘half-sized’ and the given name John.