Thai also known as Siamese or Central Thai is the national and official language of Thailand and the native language of the Thai people and the vast majority of Thai Chinese. It is a Tai-Kadai language spoken by about 65 million people mainly in Thailand and also in the Midway Islands, Singapore, the UAE and the USA.

Thai is closely related to Lao, and northern dialects of Thai are more or less mutually intelligible with Lao, particularly the Lao spoken in northern Thailand. Thai vocabulary includes many words from Pali, Sanskrit and Old Khmer. Over half of the words in Thai are borrowed from Pali, Sanskrit and Old Khmer. It is a tonal and analytic language. Thai also has a complex orthography and relational markers.

Many scholars believe that the Thai script is derived from the Khmer script, which is modeled after the Brahmic script from the Indic family. However, in appearance, Thai is closer to Thai Dam script, which may have the same Indian origins as the Khmer script. The language and its script are closely related to the Lao language and script. Most literate Lao are able to read and understand Thai, as more than half of the Thai vocabulary, grammar, intonation, vowels and so forth are common with the Lao language.

Thai has undergone various historical sound changes. Some of the most significant changes, at least in terms of consonants and tones, occurred between Old Thai spoken when the language was first written and Thai of present, reflected in the orthography. The major change between old and modern Thai was due to voicing distinction losses and the concomitant tone split. This may have happened between about 1300 and 1600 AD, possibly occurring at different times in different parts of the Thai-speaking area.


ProMosaik Trans offers translations from and into Thai in the following fields:


  • Law and Contract Law
  • Patents
  • Marketing and Advertising
  • Technology
  • Science
  • Literature
  • Cultural Sciences


Thai Proverb: “หนีเสื่อประจระเข้” – To escape from the tiger to the crocodile.

Meaning: Out of the frying pan into the fire. (When you get out of one problem, but find yourself in a worse situation.)


ProMosaik Trans Istanbul offers the following language combinations from and into Thai:


English – Thai


German – Thai


French – Thai


Italian – Thai


Spanish – Thai





ProMosaik Trans also offers editing, interpreting, proofreading, and transcription services in Thai.



With ProMosaik interlanguage you can also study Thai with us online!


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