Akademik

buydown
A lump sum payment made to a creditor by a borrower or a third party to reduce the amount of some or all of the borrower's periodic payments to repay the indebtedness. American Banker Glossary
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1) A lump sum payment made to the creditor by the borrower or by a third party to reduce the amount of some or all of the consumer's periodic payments to repay the indebtedness. Bloomberg Financial Dictionary
2) mortgages in which monthly payments consist of principal and interest. During the early part of the loan, portions of these payments are provided by a third party to reduce the borrower's monthly payments. Bloomberg Financial Dictionary
In the context of project financing, refers to a one-time payment out of liquidated damages to reflect cash flow losses from sustained underperformance. Bloomberg Financial Dictionary

Financial and business terms. 2012.