Shatapatha Brahmana 3.9.3.25

3.9.3.25

sa juhoti | devīrāpo apāṃnapāditi devyo hyāpastasmādāha devīrāpo apāṃnapāditi yo va ūrmirhaviṣya iti yo va ūrmiryajñiya ityevaitadāhendriyāvānmadintama iti vīryavānityevaitadāha yadāhendriyāvāniti madintama iti svādiṣṭha ityevaitadāha taṃ devebhyo devatrā dattetyetadenā ayāciṣṭa yadāha taṃ devebhyo devatrā datteti śukrapebhya iti satyaṃ vai śukraṃ satyapebhya ityevaitadāha yeṣām bhāga stha svāheti teṣāmu hyeṣa bhāgaḥ

He offers with (Vâg. S. VI, 27), 'Ye divine waters,--the son of waters;' the waters are indeed divine, hence he says, 'Ye divine waters,--the son of waters;' 'That wave of yours, suitable for offering;' whereby he means to say, 'That wave of yours which is suitable for the sacrifice;' 'Mighty, most grateful;' by 'mighty' he means to say 'powerful,' and by 'most grateful' he means to say 'most sweet;' 'Give ye that unto those gods among the gods,' in saying this he has craved it of them; 'The drinkers of the pure (Soma);' the pure, doubtless, is the truth; in saying, 'the drinkers (pa) of the pure,' he means to say, 'the defenders (pa) of the truth;' 'Whose portion ye are, Hail!' for this indeed is their portion.