Shankhayanagrihyasutra 2.6.2

2.6.2

: āpo nāma stha śivā nāma stha.|.ūrjā nāma stha ajarā nāma stha.|.abhayā nāma stha amṛtā nāma stha.|.<.tāsām vo aśīya sumatau mā dhatta>.iti evam trir apa ācāmayya /

And hands over to him the staff with the five verses, 'Blessing may give us' (Rig-veda V, 51, 11-15).