Brahmaṇa-parīkṣā
Examination/Doctrine of the Pitṛs in Śrāddha Context
तथा तं नयते मन्त्रो जन्तुर्यत्रावतिष्ठति / नामगोत्रं च मन्त्रं च दत्तमन्नं नयन्ति तम्
tathā taṃ nayate mantro janturyatrāvatiṣṭhati / nāmagotraṃ ca mantraṃ ca dattamannaṃ nayanti tam
So too the mantra leads that being to the very place where it abides; the mantra uttered with name and gotra, and the food that is offered, are conveyed to it.