Kauṣītaki (Śāṅkhāyana) Brāhmaṇa 18.3.7

18.3.7

gāyatrīr gāyatre triṣṭubhas traiṣṭubhe jagatīr jāgate / (soma: aAśvina śastra)

Gāyatrīs in the Gāyatrī section, Triṣṭubhs in the Triṣṭubh, Jagatīs in the Jagatī;