The works of Ādi Śaṅkarācārya

Bṛhadāraṇyakopaniṣadbhāṣyam

Verse 336

अथैनं मात्रे प्रदाय स्तनं प्रयच्छतियस्ते स्तनः शशयो यो मयोभूर्यो रत्नधावसुविद्यः सुदत्रः ।येन विश्वा पुष्यसिवार्याणि सरस्वति तमिह धातवे करिति ॥

In plain words

Then he hands the child to his mother, and she offers him her breast, speaking: 'That breast of yours that never runs dry, that brings joy, that gives treasure, that finds wealth, that gives so generously — the one by which you nourish everything worth having, Sarasvatī — grant it here, for him.'

Close to the Sanskrit

Then, having given him over to the mother, she offers [him] the breast, [with the mantra]: 'That breast of yours which is ever-flowing, which brings joy, which bestows treasure, which finds wealth, which is a good giver — by which you nourish all desirable things, O Sarasvatī — grant that here, for nourishment,' thus.