Śrāddha-kalpa: Dāna-phala, Medhya/Amedhya Dravya, and Uparāga
Eclipse) Observances (श्राद्धकल्पः—दानफल-मेध्यामेध्य-उपरागविधिः
मृदा प्रक्षाल्य पादौ तु आचम्य च यथाविधि / आपस्त्वाद्यास्त्रयश्चैव सुर्याग्न्यनिलदेवताः
mṛdā prakṣālya pādau tu ācamya ca yathāvidhi / āpastvādyāstrayaścaiva suryāgnyaniladevatāḥ
Having washed the feet with earth and performed ācaman according to rule, one should recite the three mantras beginning with “Āpastvā,” remembering the deities of Sun, Fire, and Wind.