golden egg
Meanings
noun
- A source of consistent profit or advantage, or the profit gained by such advantage.
- Used other than figuratively or idiomatically: see golden, egg.
Word forms
Etymology
Allusion to “The Goose that Laid the Golden Eggs”, one of Aesop’s Fables. Attested from the 18th century. Compare golden goose, kill the goose that lays the golden eggs.
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