Sanskrit (romanised) · Chāndogya Upaniṣad (Sanskrit, IAST)
vṛṣṭau pañcavidhaṃ sāmopāsīta purovāto hiṅkāraḥ megho jāyate sa prastāvaḥ varṣati sa udgīthaḥ vidyotate stanayati sa pratihāraḥ
English · F. Max Müller
Let a man meditate on the fivefold Sâman as rain. The hinkâra is wind (that brings the rain); the prastâva is, 'the cloud is come'; the udgîtha is, 'it rains;' the pratihâra, 'it flashes, it thunders;'