Agniveshyagrihyasutra 3.3.1.15

3.3.1.15

pātrasādanakāle ekasmin pātre ā pa āgantu pitaro devayānān samudrān salilān savarṇān \

At the time of arranging the vessels, [he pours water] into one vessel with: 'May the waters come, the ancestors by the path of the gods, the oceans, the streams, having the same nature.