grind
grind
noun
Hard, continuous, and often tedious work or study.
"The daily grind of commuting is exhausting."
verb
To crush something into small particles or powder, often using a machine.
"They grind the coffee beans fresh."
Thesaurus
Synonyms: swot, nerd, dweeb, wonk, grate, mash, crunch, bray, comminute, cranch, craunch, toil