It's called rehypothecation: https://www.merriam-webster.com/dictionary/rehypothecation#:~:text=Definition%20of%20rehypothecation,for%20their%20purchase%20on%20

It's called rehypothecation: https://www.merriam-webster.com/dictionary/rehypothecation#:~:text=Definition%20of%20rehypothecation,for%20their%20purchase%20on%20margin https://www.merriam-webster.com/dictionary/rehypothecation#:...