Related Clues:

• Get to the bottom of things?
• Jab
• Use a mattock
• With 52-Across, what treasure hunters do
• Do some research
• Sarcastic comment
• Be into
• Consume with gusto
• Unkind remark
• "Understand?"
• "Comprende?"
• Take pleasure in
• Take great pleasure in
• Search deeply
• Excavation