jati_amsakakubha_seven_bhashas enumeration Kakubha has seven bhāṣās: kāmbojā, madhyamagrāmikā, sātavāhanikā, bhogavardhani, muharī, śakamiśritākakubha_revagupta_pair_preserves_jati validation Kakubha (dhaivata-aṁśa) and revagupta (ṛṣabha-aṁśa) used as mutually related pairs do not destroy thassignment