Amāvasyā-Pitṛtarpaṇa: Purūravas and the Soma-Based Ancestral Offering (अमावस्या-पितृतर्पण / सोमतर्पण-विधि)
पिबन्ति द्विलवं कालं पितरस्ते सुधामृतम् / पीतक्षयं ततः सोमं सूर्यो ऽसावेकरश्मिना
pibanti dvilavaṃ kālaṃ pitaraste sudhāmṛtam / pītakṣayaṃ tataḥ somaṃ sūryo 'sāvekaraśminā
The Pitṛs drink that nectar of sudhā-amṛta for the span of two lavas; then the Sun, with a single ray, takes back Soma after it has been drained by their drinking.