英语和荷兰语是同源的语言。

English and Dutch are kindred languages.

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他认识到梵语，即印度的语言，与拉丁语、希腊语、日尔曼语和凯尔特语密切同源。

He recognized that Sanskrit, the language of India, was related very closely to Latin, Greek, and the Germanic and Celtic languages.

《柯林斯英汉双解大词典》

格里姆对历史语言学的主要贡献是，他从音变-一系列音位有系统的变异-的角度解释了同源词之间的关系。

Grimm's major contribution to historical linguistics is his explanation of the relationships among cognates in terms of a sound shift, the systematic modification of a series of phonemes.

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