Gobhilagrihyasutra 1.6.14

1.6.14

teṣāṃ purastāt pratyaṅmukhas tiṣṭhan savyasya pāṇer aṅguṣṭheno 'pakaniṣṭhikayā cā 'ṅgulyā brahmā ''sanāt tṛṇam abhisaṃgṛhya dakṣiṇāparam aṣṭamaṃ deśaṃ nirasyati nirastaḥ parāvasur iti.

(The Brahman) stations himself to the east of that (grass), facing the west, and with the thumb and the fourth finger of his left hand he takes one grass blade from the Brahman's seat and throws it away to the south-west, in the intermediate direction (between south and west), with (the words), 'Away has been thrown the dispeller of wealth.'