Paraskaragrihyasutra 3.4.18

3.4.18

niṣṭhitāṃ prapadyate dharmasthūṇā jājaṃ śrīratūpamahorātre dvāraphalake \ indrasya gṛhā vasumanto varūthinastānahaṃ prapadye saha prajayā paśubhiḥ saha \ yanme kiṃcidastyupahūtaḥ sarvagaṇasakhāyasādhusaṃvṛtaḥ \ tāṃ tvā śāle 'riṣṭavīrā gṛhānnaḥ santu sarvata iti \18\

When (the house) is finished, he enters it with (the formulas),
'Law, the chief post! Fortune, the pinnacle! Day and night, the two door-boards!
'Indra's house is wealthy, protecting; that I enter with my children, with my cattle, with everything that is mine.
'Hither is called the whole number (of relatives), the friends whose coming is good. Thus (I enter) thee, O house. May our dwellings be full of inviolable heroes from all sides!'