"Mư̄ang Bōrān Nai Prathēt Thai: Chabap Phāsā ʻAngkrit," ʻĀphā Phamō̜nbut, 1981, ... The word "Vachira" means diamond or Petch (Thai word), Buri or Puri means the City. We mix two words together, and they form the word " Phetchburi ", it means the City of Diamond ...