You searched for: “hypothec
hypothec (s) (noun), hypothecs (pl)
1. Security that is given to a creditor as a legal promise to repay a loan: A hypothec uses either lands or goods as assurance that a debt will be repaid, even though the property that is contracted remains in possession of the debtor.
2. Etymology: from Late Latin hypotheca, "deposit"; from Greek hupotheke, "a deposit, a pledge, a mortgage".