fumish
/ˈfjuːmɪʃ/Definitions
1. verb
To make or become covered in foam or froth, especially as a result of fermentation.
“The beer started to fumish as it was being poured.”
2. noun
A state of being covered in foam or froth, especially as a result of fermentation.
“The fumish of the beer was a sign that it was ready to drink.”