Srimad-Bhagavatam: Canto 9 - Chapter 1 - Verse 28
Sanskrit:
उत्थितास्ते निशम्याथ व्युदकं कलशं प्रभो ।पप्रच्छु: कस्य कर्मेदं पीतं पुंसवनं जलम् ॥ २८ ॥
ITRANS:
utthitās te niśamyāthavyudakaṁ kalaśaṁ prabhopapracchuḥ kasya karmedaṁpītaṁ puṁsavanaṁ jalam
Translation:
When the brāhmaṇas got up from bed and saw the waterpot empty, they inquired who had done this work of drinking the water meant for begetting a child.