|the right to use and derive profit from a piece of property belonging to another, provided the property itself remains undiminished and uninjured in any way|
|[C17: from Late Latin ūsūfrūctus, from Latin ūsus use + frūctus enjoyment]|
in Roman-based legal systems, the temporary right to the use and enjoyment of the property of another, without changing the character of the property. This legal concept developed in Roman law and found significant application in the determination of the property interests between a slave held under a usus fructus (Latin: "use and enjoyment") bond and a temporary master. Any property acquired by a slave as a result of his labour legally belonged to that master
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