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Nest egg
/nˈɛst ˈɛɡ/
/nˈɛst ˈɛɡ/
Nest egg
[NOUN]What is the origin of the idiom "nest egg" and when to use it?
The idiom "nest egg" originated from the practice of placing an egg in a bird's nest to encourage more egg-laying. It refers to a sum of money or savings reserved for a specific purpose, often for retirement or financial security.