Secondhand
Secondhand is an adjective used to describe something that did not originate with the person or source being discussed, but rather came from a different source or was previously used by someone else. The term is used in various domains and is usually written as secondhand or second-hand in hyphenated form depending on style guides.
In consumer markets, secondhand goods are items that have been previously owned and are resold. Common categories
Secondhand smoke refers to tobacco smoke that enters the surrounding air from a smoker or from burning
Secondhand information refers to data, claims, or reports that are received from others rather than observed
Other uses include phrases like secondhand experience or secondhand knowledge to describe insights gained through another