The word "used" generally refers to something that has been previously owned, utilized, or employed. It indicates that an object or concept has a history of use rather than being new. In various contexts, it can also refer to a habitual state or action, suggesting that something is familiar or accepted over time.
The word "used" comes from the Old French word "user," which itself comes from the Latin "uti," meaning "to use." The past participle form "used" implies having completed the act of using something.