From Sanskrit मह (maha, “great; high; mighty; etc.”) + धर्म (dharma, “dharma; law; merit; righteousness; etc.”) + राजाधिराज (rājādhirāja, “king of kings; lord of lords; etc.”); literally "great dharmic king of kings", "great righteous king of kings", etc. Compare Khmer មហាធម៌រាជាធិរាជ (môhathម៌réachéathĭréach).
| Orthographic | มหาธรรมราชาธิราช m h ā dʰ r r m r ā d͡ʑ ā dʰ i r ā d͡ʑ | |
|---|---|---|
| Phonemic | มะ-หา-ทำ-มะ-รา-ชา-ทิ-ราด m a – h ā – d å – m a – r ā – d͡ʑ ā – d i – r ā ɗ | |
| Romanization | Paiboon | má-hǎa-tam-má-raa-chaa-tí-râat |
| Royal Institute | ma-ha-tham-ma-ra-cha-thi-rat | |
| (standard) IPA(key) | /ma˦˥.haː˩˩˦.tʰam˧.ma˦˥.raː˧.t͡ɕʰaː˧.tʰi˦˥.raːt̚˥˩/(R) | |
มหาธรรมราชาธิราช • (má-hǎa-tam-má-raa-chaa-tí-râat)