Overdraft
Usage Examples
"Her bank approved an overdraft of R10,000 on her cheque account for emergencies."
"Overdraft interest is charged daily on whatever amount you're overdrawn — if you use R5,000 of a R10,000 overdraft, you only pay interest on the R5,000."
"Relying on your overdraft every month is a warning sign that you're spending beyond your means."