4. Pubbakoṭṭhakasuttavaṇṇanā

514. Catutthe amatogadhanti amatabbhantaraṃ. Amataparāyaṇanti amatanibbattikaṃ. Amatapariyosānanti amataniṭṭhaṃ. Sādhu sādhūti therassa byākaraṇaṃ pasaṃsanto sādhukāraṃ deti.