19世纪，比较学派研究了世界上近一百种语言，发现有些语言的某些语音、词

In the 19th century, the comparative school studied nearly a hundred languages ​​in the world, and found that some languages ​​had corresponding relationships between certain sounds, vocabulary, and grammatical rules, and some similarities. They grouped these languages ​​into one category, called Homologous languages; because there are some correspondences between races and tribes, they are grouped together and are called homologous languages. This is the so-called pedigree relationship between languages. There are nine major language families in the world.

In the 19th century, the School of Comparative Studies studied nearly a hundred languages in the world and found that some of the languages had correspondence, vocabulary, and grammatical rules, and some similarities, they classified these languages into one category, called the same language; There are nine major languages in the world.

In the 19th century, the comparative school studied nearly 100 languages in the world, and found that there were corresponding relations among some phonetics, vocabulary and grammatical rules of some languages, and some similarities, so they classified these languages into one category, which is called the same family language; because there are some corresponding relations between some families, which are also grouped together, they are called the same family language, which is the so-called pedigree of languages Relationship. There are nine major language families in the world.<br>