| 词汇 | arena |
| 词源 | arena. The floors of the amphitheaters of ancient Rome had to be covered with absorbent sand because so much blood was spilled in the gladiatorial contests held there. The Latin word for sand is arena, and this became the name for the structure itself. |
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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。