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Why do we call money saved for a rainy day a “nest egg”?
The term nest egg usually refers to savings that compounds or grows with interest or through investments. The expression is an old one and comes from a trick poultry farmer’s use to increase a hen’s egg-laying ability. By placing a false egg (often a doorknob) in her nest, the farmer fools the chicken into laying more eggs than she otherwise would, meaning more money for the farmer, which he credits to his “nest egg.”
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