etymology
词根词缀：
etymological adj. 语源学的
etymo 真的 + logical …学的 → 语源学的
etymology n. 词源学（词的真实来源）
etymo 真的 + logy …学 → 词源学（词的真实来源）
数据来源：新东方英语词汇速记大全
相关例句：
No proofreader caught the error, but five years later an editor noticed the word had no etymology and began the investigation that led to the word's being banished.
所有的校对人员都没有发现这个错误，但是五年后，一名编辑注意到这个词没有词源，然后他开始溯源并最终将这个词从词典中去除。
For the sake of knowledge though, we looked into the etymology of a few of these words.
为了了解知识，我们探寻了这些咒骂语中一部分的词源。
You epitomize the etymology of enthusiasm!
你是与热诚的化身！
From the perspective of etymology and word change, this article aims at making a probe into the influence of business development on the generalization of proper nouns.
它们的背后记录着商业文明的痕迹，本文从词源学和词义变化的角度，结合世界商业发展的历史，探讨了商业贸易的发展对专有名词普通化的影响和意义。
The explanation of these two terms in The Great Chinese Dictionary and Chinese Etymology Dictionary needs to be further investigated.
对于这两个词，《汉语大词典》和《辞源》的解释是值得商榷的。
As with all the best idioms, the etymology of the American term 86-ed is not clear.
同所有好的习语一样，美式词条86-ed在词源学中并不明确。