Jaiminīya (Talavakāra) Brāhmaṇa 6.22.p1

6.22.p1

"As a bull purify yourself in a stream":
thus there are bull-possessing Gāyatrī verses for the midday pavamāna.
For this day is connected to the Bṛhat.
[The bull] is the Triṣṭubh form of the ruling class.
"And for the Marut-possessing [Indra], intoxicating":
thus there are [verses] containing the word "Marut-possessing".
"Marut-possessing", indeed, is the form of midday.
They do not depart from the form of the midday.
"Thee, the upholder of the two press-stones":
thus [it is] for the stability of the day.
"With this thought, purifying, golden-hued, purify yourself in a stream":
thus there are [verses] containing the word "hari" [golden-hued].
"Hari-possessing", indeed, is the form of the Triṣṭubh.
This day is connected to the Triṣṭubh.