Atharvaveda 3.26.2

ye'syāṃ stha dakṣiṇāyāṃ diśyaviṣyavo nāma devāsteṣāṃ vaḥ kāma iṣavaḥ .
te no mṛḍata te no'dhi brūta tebhyo vo namastebhyo vaḥ svāhā ..2..