No problem and have a good day! 
 The Khmer empire was established in Angkor around the 9th century by the Khmer people . 
 Sorry i dont have any etymology right now but its State Railway of Thailand operates all of Thailands rail lines. 
 Thats ok. can you tell me about the history? 
 Hi, I want to know about Thailand and the etymology.
The Khmer empire was established in Angkor around the 9th century by the Khmer people .