overleaven
/ˌoʊvərˈlivən/Definitions
1. verb
to cause a dough or mixture to rise too much, especially as a result of excessive yeast or fermentation.
“The baker’s mistake was to overleaven the bread, making it too dense and heavy.”
2. noun
an excessive or improper rising of dough or mixture.
“The overleaven caused by the old yeast resulted in a poor-quality loaf.”