From Sanskrit अध्यात्म (adhyātma, “own; self; etc.”) + विद्या (vidyā, “knowledge; learning; science; etc.”).
| Orthographic | อัธยาตมวิทยา ɒ ạ dʰ y ā t m w i d y ā | |
| Phonemic | อัด-ทะ-ยาด-ตะ-มะ-วิด-ทะ-ยา ɒ ạ ɗ – d a – y ā ɗ – t a – m a – w i ɗ – d a – y ā | |
| Romanization | Paiboon | àt-tá-yâat-dtà-má-wít-tá-yaa |
| Royal Institute | at-tha-yat-ta-ma-wit-tha-ya | |
| (standard) IPA(key) | /ʔat̚˨˩.tʰa˦˥.jaːt̚˥˩.ta˨˩.ma˦˥.wit̚˦˥.tʰa˦˥.jaː˧/(R) | |
อัธยาตมวิทยา • (àt-tá-yâat-dtà-má-wít-tá-yaa)