| 词汇 | tattarrattat |
| 词源 | tattarrattat. This is at 12 letters the longest one-word palin- drome (a word that reads the same backward or forward) in En- glish. It is recorded in the Oxford English Dictionary. See palindrome. |
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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。