Related Clues:

• Onerous duty
• Boring task
• Make slow progress
• Trudge (through)
• Tiresome task
• Chinese money
• Part of the daily grind
• Word on many a door
• Ironing, for one
• Trudge through sludge, e.g.
• Exhausting hike
• Thrust
• Vacuuming, say
• Walk laboriously
• Move through mud