Grind

molienda

(a specific degree of pulverization of coffee beans)

rutina

(a tedious task)

avanzar

(to work or study hard)

bruñir

(to shape with the force of friction)

carraquear

(to move with much difficulty or friction)

castañear

(to move with much difficulty or friction)

castañetear

(to move with much difficulty or friction)

chancar

(to work or study hard)

dentellar

(to move with much difficulty or friction)

empollar

(to work or study hard)

esforzarse

(to work or study hard)

estudiar intensivamente

(to work or study hard)

moler

(to reduce to smaller pieces)

pilar

(to work or study hard)

pulir

(to remove material by rubbing with an abrasive surface)

tragar

(to work or study hard)

triturar

(to reduce to smaller pieces)