Śatapatha Brāhmaṇa ("of a hundred paths") 1.3.3.4

1.3.3.4

atha yāḥ prokṣaṇyaḥ pariśiṣyante | tābhiroṣadhīnām mūlānyupaninayatyadityai vyundanamasītīyaṃ vai pṛthivyaditistadasyā evaitadoṣadhīnām mūlānyuponatti tā imā ārdramūlā oṣadhayastasmādyadyapi śuṣkāṇyagrāṇi bhavantyārdrāṇyeva mūlāni bhavanti

Thereupon he pours the sprinkling-water which is left on the roots of the (grass) plants, with the text (Vâg. S. II, 2), 'A moistening art thou for Aditi!' Aditi, indeed, is this earth; hence it is for the latter that he thus moistens the roots of the plants: thereby these plants become root-moistened; and even if their tops are dry, their roots at least remain moist.