Shatapatha Brahmana 2.4.1.9

2.4.1.9

atha gārhapatyamupatiṣṭhate | ayamagnirgṛhapatirgārhapatyaḥprajāyā vasuvittamaḥ agne gṛhapate 'bhi dyumnamabhi saha āyacasvetyathopaviśya tṛṇānyapalumpatyetannu japenaitena nveva bhūyiṣṭhā ivopatiṣṭhante

Thereupon he approaches the Gârhapatya, with the text, 'He, Agni Gârhapatya, is the lord of the house, the most liberal dispenser of goods to our offspring: O Agni, lord of the house, bestow on us lustre and strength!' Having then sat down, he sweeps off the blades of grass. In this way (householders) mostly approach the fires with muttered prayer.