Possible Clues:

• Self-built small ground-level home, not flat
• Nest of insects
• Tiny mound
• Mound formed by nesting insects
• Run away from an exhilarating experience in colony
• An approach in the end introduced to work, in place of great industry
• Rise for workers?
• High-rise accommodation for soldiers and others
• A rise for the workers?
• Pile of earth left by workers?