Possible Clues:

• Burden of wood?
• Cast-off stuff giving lake a brown colour
• Move in a slow and awkward manner
• Type of yard
• Unwanted, stored goods
• Would this sound like the way to go and be heavy?
• This would sound a heavy way to be moving
• Move in a heavy, wooden way
• Stored furniture; (US) timber
• With difficulty move articles in storage