Yāska's Nirukta 13.6

13.6

``tarat sa mandī dhāvati dhārā sutasya andhasah/
tarat sa mandī dhāvati/''.
tarati sa pāpam sarvam mandī yaḥ stauti/
dhāvati gacchaty ūrdhvām gatim/
dhārā sutasya andhasah/
dhāraya abhisutasya somasya mantra pūtasya vācā stutasya/
atha eṣā yajñasya/

"Crossing [all evil], the exhilarating stream of the pressed stalk runs;
crossing, the exhilarating [stream] runs."
Crossing, it crosses all evil; exhilarating, which gladdens.
It runs: it goes to the higher realm.
"Stream of the pressed stalk":
by the stream of pressed soma, purified by sacred formulas, praised with speech.
Now this [verse] is of Sacrifice: