Related Clues:
- Laborious routine
- Put through the mill
- Crush to powder
- Hard work, as in mill
- Humdrum routine
- Abrade - laborious task
- Crush into particles
- Pulverise
- Make oatmeal from oats
- Prepare, as coffee beans
- Improve the edge of
- Ready a machete
- Have a bit of a smirk at German for such drudgery
- Increase pitch of instrument in three different ways
- Give an edge to?