Shiva Purana

siva.sh/siva-purana/uma-samhita/41/50

पितृप्रसादाद्युष्माभिस्संप्राप्तं सुकृतं भवेत्।। गां प्रोक्षयित्वा धर्मेण पितृभ्यश्चोपकल्पिताः।। ५०।।

sanskrit

Due to their favour you will attain merit. You have sprinkled the cow and offered it to the Pitṛs.

english translation

pitRprasAdAdyuSmAbhissaMprAptaM sukRtaM bhavet|| gAM prokSayitvA dharmeNa pitRbhyazcopakalpitAH|| 50||

hk transliteration by Sanscript