large sum of money
Used to emphasize a substantial amount of money, often in contexts like spending, paying, or losing a lot.
He spent a large sum of money on a new car.
その絵は大枚の価値がある。
That painting is worth a large sum of money.
large sum of money
The word is composed of 大 (large) and 枚 (counter for flat objects, historically used for coins), literally meaning 'large coins' and by extension a large sum of money. The exact historical derivation is uncertain.