Bonanza is an Americanism that was first recorded in 1835–45.
Bonanza comes from Spanish and literally means, “smooth sea.”
Bonanza is a nasalized variant of the Medieval Latin word bonacia, made up of the Latin words bon(us), meaning “good,” and (mal)acia, meaning “calm sea,” which came from the Greek word malakía, “softness.”
EXAMPLES OF BONANZA
Finding a hidden treasure chest in the attic was an unexpected bonanza for the family, transforming their financial situation in an instant.
The tech startup struck a bonanza when it received a generous investment from a major venture capitalist, propelling its business to new heights.
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