This is the 8609th most frequent Japanese word.
支払っ
"Pay" or "paid."
The word '支払った' here is used as a verb meaning 'paid' in the context of completing a payment for a purchase at a store.
彼は店で買ったものの代金を支払った。
He paid for the items he bought at the store.
The word '支払う' in this sentence means 'pay' and describes the act of settling the bill at a restaurant.
そのレストランでは請求書を支払う必要がある。
At that restaurant, one needs to pay the bill.
The term '支払った' is used here to indicate repaying borrowed money, denoting reimbursement.