Agniveshyagrihyasutra 3.2.1.3

3.2.1.3

anūrādhāyāmagnimupasamādhāya paristīryāpareṇāgniṃ vrīhīnekapavitro 'tha nirvapati imamapūpaṃ catuśśarāvaṃ virvapāmi kleśāpahaṃ pitṝṇāṃ saṃparāye \

Having set up the sacred fire on the Anūrādhā asterism, strewn [darbha grass] around, and holding a single strainer, he then measures out the rice grains to the west of the sacred fire: “I measure out this cake of four platters, which removes distress upon the departure of the ancestors.