The affix ḍyaṇa comes in the sense of 'what stays there' after the words 1. pāthas and 2. nadī , in the chandas (Vedas), whereby the last vowel with the consonant following is elided.,
This debars यत् ॥ Thus पाथसि भवः = पाथ्यः, so also नाद्यः ॥ As in the following hymns : तमुत्वा पाथ्यो वृषा, च नो दधीत नाद्यो गिरो मे ॥ पाथः means firmament.,