n.语源；词源学
This dictionary does not give etymologies. 这部词典不介绍词源。
The hippies' etymology is contentious. 关于嬉皮士的语源是有争议的。
As we learn about interesting words we will look at their etymology. 随着我们不断学习到新的有趣词汇，我们将进一步学习词源。
