English version

security deposit

From Longman Dictionary of Contemporary Englishsecurity depositseˈcurity deˌposit noun [countable]  an amount of money that you give to a landlord before you rent a house or apartment, and that is returned to you after you leave if you have not damaged the property
Examples from the Corpus
security depositAnd there usually is a set-up fee and security deposit, plus liability insurance.You would be required to put down a new security deposit with the new lease drawn up in your name only.
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