| 词汇 | investigate |
| 词源 | investigate. Investigate comes from the Latin investigare, to track, as when a Roman hunter tracked game. By the 16th cen- tury Englishmen were using the word in its present sense of to track down anything, to examine systematically, to observe or inquire. |
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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。