expression, ichidan verb
proofread repeatedly; go through multiple rounds of proofreading
Used when a text is checked and corrected many times, often in publishing or academic contexts. The phrase implies careful, iterative revision.
原稿は校を重ねて、ようやく完成した。
The manuscript was proofread again and again, and finally completed.
この本は校を重ねて誤り
This book was proofread repeatedly to eliminate errors.