Agniveshyagrihyasutra 2.1.5.2

2.1.5.2

sṛtakāgnimudrāsyaupāsanāgniṃ nidhāya jātasya kumārasya nāma dhāsyāvaḥ iti mātāpitarau saṅkalpaṃ kurutaḥ \

Having removed the fire of confinement and set up the domestic fire (aupāsanāgni), the mother and father make the resolve: "We shall give a name to the newborn boy."