This word has an origin! What language is "Lumsam"? Chinese, Thai or English?

I believe many people are familiar with the word "Lamsam", which is not only used as a pair with "Ruay Lamsam", meaning wealthy people, but is also the surname of a famous Thai business family , such as "Madam Pang" Nualphan Lamsam, the executive of a large insurance company and the latest president of the Football Association of Thailand. However , where does the word "Lamsam" come from? Does it mean wealthy as commonly understood? Here we have the answer and analysis from other perspectives for you. Let me tell you that this word is related to Chinese, Thai and English. ufabet