When:
Lookups rose dramatically during the last week of December.
Why:
Wishes for a "happy and prosperous New Year" are frequently offered at this time of year.
Prosperous means "marked by success or economic well-being" and "enjoying vigorous and healthy growth."
At the root of prosperous is a Latin word that means "to cause to succeed."
And we hope you have a very happy and prosperous New Year.
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Merriam-Webster unabridged