THE EVOLUTION OF THAI LANGUAGE

บทคัดย่อ

The academic article is conveyed to present the evolution and history of Thai language by means of honouring King Ramkamhaeng the Great of the Sukothai period of Kingdom of Thailand, who invented Thai alphabets as a written language, admiring, propagating knowledge of, conserving and approving Thai language which is very important not only as being a national language of Thailand, but also is a very important common language spoken among foreigners from the Southeast Asia who come to stay, do a business, study and work in Thailand. Mallika Mapha. 2016. Thai language is the national language of Thai society. It has changed since the Sukhothai period, Ayutthaya period and the Rattanakosin period. Language change occurs gradually and are driven by internal and external factors. External, which a change in the aforementioned factors of the Thai language may change both the pronunciation, Audio system, the meaning of words and their functions in different contexts. Rak Phasa Thai 2559. Thai language is a cultural heritage. It is the wisdom that the ancestors have created and passed on to the descendants. Studying the Thai language allows us to understand the origin of our people and learn about the culture through the Thai language that has developed and changed until now and can maintain our good culture for a long time. This is the main reason that the authors absolutely realize and see the importance of presenting the evolution of Thai language to remind the Thai readers not to forget the origin of Thai language; moreover, this information will be very beneficial for those who are studying linguistics.