grind to

grind (something) to (something)

To pulverize something into a particular state. My daughter has a hard time swallowing pills, so I grind her antihistamine tablets to a fine powder and put them in her yogurt.
See also: grind

grind something to something

to keep grinding something until it is something. I ground the fennel seeds to a powder and threw them in the simmering sauce. The wheels of the cars, trucks, and buses had ground the football to a broken mass.
See also: grind