Agniveshyagrihyasutra 3.3.1.18

3.3.1.18

pratnavadbhiḥ prattaḥ svadha ehi pitṝnimān lokān prīṇayāhi naḥ svadhā namaḥ iti tilānāvapati \

'Given by the ancients, come as svadhā; satisfy these ancestors and worlds for us, svadhā, obeisance!'—with this he scatters sesamum seeds [into the water].