Save Type Surname Usage Thai Scripts อัสสรัตนกุล(Thai) Pronounced Pron. at-sa-rat-na-koon [key·IPA] Meaning & History From Thai อัสสะ (atsa) meaning "horse", รัตนะ (ratana) meaning "precious gem; precious jewel", and กุล, a transcription of Pali kula meaning "clan".