ब्रह्मवादिनो वदन्ति यद्वसूनां प्रातसवन५रुद्राणां माध्यन्दिन५सवनमादि-त्यानां च विश्वेषां च देवानां तृतीयसव-नम् ॥ १ ॥
In plain words
Those who discourse on Brahman declare: The morning pressing of the soma belongs to the Vasus, the midday pressing belongs to the Rudras, and the evening pressing belongs to the Ādityas and the all-inclusive Viśvedevas.
Close to the Sanskrit
The knowers of Brahman say: That the morning pressing belongs to the Vasus, the midday pressing to the Rudras, and the third pressing to the Ādityas and the Viśvedeva gods.