fusra -fur- gismu

x1 rots/decays/ferments with decay/fermentation agent x2; x1 is rotten/decayed/fermented.

See also birje, vanju, vifne.


In notes:

birje
x1 is made of/contains/is a amount of beer/ale/brew brewed from x2.
vanju
x1 is made of/contains/is a quantity of wine from fruit/grapes x2.
vifne
(adjective:) x1 is fresh/unspoiled.
furtirse
t1=f1 is a quantity of/contains/is made of rust.