As a noun, a solo is a performance done by one person. As an adjective or adverb, it means done alone. As a verb, it means to perform alone.
From Italian *solo* meaning “alone,” from Latin *solus* “alone, only.” It came into English mainly through music terminology.
The musical *solo* and the idea of “going solo” in life both come from the same root: being the only one carrying the tune. In a way, a solo is a spotlight that says, “Watch what one person can do.”
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