History of the Development of the Theory of Linguistics Summary The origin and development history of linguistic theory is reflected in the article. Here is also brief information about the emergence of linguistics and schools of linguistics since ancient times. The history of linguistics has developed through historical stages such as Indian linguistics, Greek linguistics, Roman linguistics, and Arabic linguistics until modern times. Linguistics examines and studies all parts of language, including its units, nature, structure, and change over time. This term was first used in 1829. In general, linguistics studies language and means of communication between people. The theoretical part of this field includes very important and diverse concepts that answer questions such as the origin and purpose of language creation, language characteristics, the process of language learning, language changes, and the role of language in human personality. In the practical part, the analysis of sentence structure, the role of words, semantics, the formation of sounds, language disorders, etc. is being investigated. Key words: history of linguistics, science of linguistics, Indian linguistics, Greek linguistics, Roman linguistics, historical linguistics, applied linguistics