〜済(ず)み

Pattern: Verb stem / Noun + 済(ず)み

Common expressions

• 支払(しはら)い済(ず)み (paid)
• 確認(かくにん)済(ず)み (confirmed/verified)
• 使用(しよう)済(ず)み (used/spent)
• 予約(よやく)済(ず)み (reserved)
• 処理(しょり)済(ず)み (processed)
• 登録(とうろく)済(ず)み (registered)

Usage: Very common in business and administrative contexts to indicate status.

Note: Comes from the verb 済(す)む (to be finished). Functions like a の-adjective or noun.