interest in arrears; overdue interest
Financial term for interest that has become due but remains unpaid. Used in contexts such as loans, taxes, and invoices.
Please make the payment before overdue interest accrues.
Overdue interest on the loan is added to the principal.
延滞金 is a broader term for any late payment penalty, while 延滞利子 specifically refers to the interest portion of such charges.
遅延損害金 is a legal term for damages due to delay, often used in contracts, whereas 延滞利子 is more common in everyday financial contexts.
Compound of 延滞 (overdue, arrears) and 利子 (interest). The reading is the standard on'yomi for each kanji.