| 词汇 | root canal |
| 词源 | root canal. A dental treatment in which diseased tissue is re- moved from a tooth and the resulting cavity is filled with inert material. The expression is so widely disliked that it inspires re- marks like “Yeah, he’s about as pleasant as root canal” (a nasty person). |
| 随便看 |
英语词源词典收录了13259条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。