cognate

名词 cognate:

1. one related by blood or origin; especially on sharing an ancestor with another
   同义词：blood relation, blood relative, sib
2. a word is cognate with another if both derive from the same word in an ancestral language
   同义词：cognate word

形容词 cognate:

1. related in nature
   同义词：connate
2. having the same ancestral language
3. related by blood
   同义词：akin, blood-related, consanguine, consanguineous, consanguineal, kin

1. The German word `Haus' is cognate with the English word `house'.
   德语的Haus一词和英语的house一词同源。
2. Physics and astronomy are cognate sciences.
   物理学和天文学是相关联的科学。
3. German and Dutch are cognate languages.
   德语和荷兰语为同源语言。

cog.nate

adj.Abbr. cog.（形容词）缩写 cog.
Related by blood; having a common ancestor.
同族的：有血缘关系的；有共同祖先的
Related in origin, as certain words in genetically related languages descended from the same ancestral root; for example, Englishname and Latin nômen from Indo-European nò-men- .
同词源的：来源相关的，如在有关的语言中，一些词来自相同的词根；例如，英语name 与拉丁文 nomen 源自印欧语 no-men-
Related or analogous in nature, character, or function.
相关的：在性质、特征或功能上有关或类似的
n.（名词）
One related by blood or origin with another, especially a person sharing an ancestor with another.
具血亲关系者：与另一个人的血缘或来源相关的人，尤指与别人有共同祖先的人
A word related to one in another language.
同字源的字：与另一种语言的一个词有关的一个词

来源：
Latin cogn3tus
拉丁语 cogn3tus
co- [co-]
co- [前缀，表.相互，一起.]
gn3tus [born] [past participle of] n3sco [to be born] * see gen…-
gn3tus [生来的] [] n3sco的过去分词 [出身于…的] *参见 gen…-

【引伸】
cogna.tion
n.（名词）