Pañcaviṃśa (Tāṇḍya) Brāhmaṇa of the Sāmaveda (in part) 10.5.1

त्रयो वा एते त्रिरात्रा यद् एष द्वादशाहो गायत्रमुखः प्रथमो गायत्रमध्यो द्वितीयो गायत्रोत्तमस् तृतीयः

trayo vā ete trirātrā yad eṣa dvādaśāho gāyatramukhaḥ prathamo gāyatramadhyo dvitīyo gāyatrottamas tṛtīyaḥ

Devanagari rendered by HREEM from the edition's roman (IAST) text; the IAST is the edition's own.

Sanskrit only: no published translation is held for this verse.