Etymology

Sino-Vietnamese word from 泰 (Middle Chinese 泰 ‎(thaj^H)), from Thai ไทย ‎(tai) + 蘭 ‎(Lan), from English -land; Lan was added by analogy with names of European countries, such as Ba Lan ‎(“Poland”) or Hà Lan ‎(“Netherlands”); compare Chinese 泰國 ‎(Thái quốc).

Pronunciation

• (Hà Nội) IPA^(key): [tʰaːj˧ˀ˦ l̪aːn˧˧]
• (Huế) IPA^(key): [tʰaːj˩ˀ˧ laːŋ˧˧]
• (Hồ Chí Minh City) IPA^(key): [tʰaːj˦ˀ˥ l̻ʲaːŋ˧˥]