I borrowed a book on etymology from the library.

我在图书馆借了一本关于词源学的书。

Etymology is actually the study of the history of vocabulary.

词源学实际上就是研究词汇的历史。

The teacher is explaining to us the etymology of this Chinese character.

老师正在给我们讲解这个汉字的词源。

The etymology of a particular word is its history.

一个特定单词的词源是其历史

Hmm, and so did you tell them the etymology of "Santa Claus"?

嗯，那你告诉他们“圣诞老人”的词源了吗？

Folk etymology has created the cheeseburger and the beanburger, but the first hamburgers were in fact named after the city of Hamburg.

民间词源创造了cheeseburger和beanburger，但最初hamburger一词实际上是以德国汉堡市命名的。

These roller bags that make it easier to lug your junk around airports are in keeping with etymology stretching back more than 600 years.

这些滚轮包可以让你更方便地在机场拖着你的杂物，它的词源可以追溯到600多年前。

The etymology of the name is obscure.

这个名字的词源尚不清楚。

Etymology: a 'zone' is an area or place.

词源：“zone”一词是指面积或地方。

There's a deeper joke in the etymology though.

不过，除此以外，还有个词源学上更加隐晦的笑话。