تعريف ومعنى "a nose for {sth}"

What is the origin of the idiom "a nose for something" and when to use it?

The idiom "a nose for something" likely originates from the idea that a person's nose is highly sensitive to various scents and smells, allowing them to detect and recognize different odors. In this context, "a nose for something" figuratively suggests that someone possesses a natural talent or ability to detect, recognize, or have an intuitive sense for a particular thing or situation. This idiomatic expression is used to describe a person's innate or developed ability to sense or detect a specific thing, often implying a keen intuition or talent. This phrase is typically used in a positive context, highlighting someone's knack for identifying or understanding something without formal training or extensive knowledge.