Valmiki Ramayana Bala Kanda Sarga 41 Shloka 15

महातेजा: highly lustrous, स: he, तेषाम् for those, राजपुत्राणाम् princes, जलक्रियाम् presenting libations of waters (to the manes of the deceased), कर्तुकाम: with intention of doing, सलिलार्थी seeking water, जलाशयम् reservoir of water, न च अपश्यत् could not see.

With the intention of performing traditional funeral rites with water for the deceased princes, highly lustrous Anshuman looked around for water but could not see any reservoir of water (in the neighbourhood).