The old table had pitting on its surface from years of wear.
古いテーブルは長年の使用で表面にくぼみができていた。
くぼみや小さな穴が表面にできることをさす
A small hollow or depression formed on a surface, often resulting from wear, impact, or localized damage.
pittingは、pit（穴）に現在分詞の-ingが付いた語で、表面に小さなくぼみが生じる状態を示す
