dent its reputation

ここはなぜdentという動詞が使われているのかな？卒論で忙しいEnDoughくん、どうぞ。（UG）

Toyota Rolls Out New Global Recall

TOKYO—Toyota Motor Corp. said Wednesday it will recall 2.77 million vehicles world-wide to fix shaft and water-pump defects, just a month after the company's biggest recall for a single part, in a move that may once again dent its reputation for quality after the massive recalls two years ago.

http://online.wsj.com/article/SB10001424127887324556304578118552262428118.html