历史语言学 lìshǐyǔyánxué historical linguistics Origin Definitions Defs Strokes Stroke Words Sentences Sents 历史 歷史 lìshǐ noun history The past events of humanity or nature; past records or a person's background; the academic field or study of past events.语言学 語言學 yǔyánxué noun linguistics the scientific study of language, its structure, and development; philology