ṚV, 1, 54, 3.1 arcā dive bṛhate śūṣyaṃ vacaḥ svakṣatraṃ yasya dhṛṣato dhṛṣan manaḥ /

ṚV, 5, 86, 6.1 evendrāgnibhyām ahāvi havyaṃ śūṣyaṃ ghṛtaṃ na pūtam adribhiḥ /

ṚV, 7, 66, 1.1 pra mitrayor varuṇayo stomo na etu śūṣyaḥ /