Bhashya
अथ येऽस्य प्रत्यञ्चो रश्मय इत्यादि समानम् ।तथासाम्ना मधु, एतदादित्यस्य कृष्ण रूपम् ॥
In plain words
Now, the explanation regarding the western rays of the sun is the same as before. Similarly, with regard to the sāman as honey, this constitutes the dark form of the sun.
Close to the Sanskrit
Now, those rays of this [sun] which are westward and so on is the same. Similarly, the honey by the sāman; this is the dark form of the sun.