สุโขทัย

• Generally thought to be from สุข (sùk, “happiness”) +‎ อุทัย (ù-tai, “emergence; rise”), literally “rise of happiness”.
• Prince Suphawat Kasemsi (ศุภวัฒย์ เกษมศรี) suggested that it might be from Old Thai ศุก (sùk, “city; town”) +‎ โข (kǒo, “great; large”) +‎ ไท (tai, “Thai”), literally “great town of the Thais”.[1]
  • Chulalongkorn University lecturer Klairung Amaradit (ใกล้รุ่ง อามระดิษ) suggested that the first syllable, ศุก (sùk), might be from Old Khmer sruk, sruka, srukk, srūk, śruk (“community; village; seat of administration; etc”), corresponding to Modern Khmer ស្រុក (srok).[1]
• Compare Modern Khmer សុខោទ័យ (sokhaotɨy); Modern Lao ສຸໂຂໄທ (su khō thai).

• Formerly pronounced สุก-โข-ไท (sùk-kǒo-tai), based on the archaic spellings ศุกโขไท, ศุกโขไทย, ษุกโขไท, สุกโขใทย, สุกโขไทย, etc.

สุโขทัย • (sù-kǒo-tai)

1. (historical) Sukhothai, an ancient kingdom in present-day Northern Thailand.
2. (จังหวัด~) Sukhothai, a town in Northern Thailand, once a capital of the Sukhothai kingdom, now a province of Thailand.

• → Burmese: သုခေါဒယ (su.hkau:da.ya.)
• → Burmese: သောက္ကတဲ (saukka.tai:)