Mānasasṛṣṭi-varṇana (Account of Mind-born Creation) | मानससृष्टिवर्णनम्
इज्यते मुनिभिर्यस्मात्तस्मात्त्त्र्यंबक उच्यते / गायत्रीं चैव त्रिष्टुप् च जगती चैव ताः स्मृताः
ijyate munibhiryasmāttasmātttryaṃbaka ucyate / gāyatrīṃ caiva triṣṭup ca jagatī caiva tāḥ smṛtāḥ
Because the sages perform worship to him through yajña, he is therefore called “Tryambaka.” Gāyatrī, Triṣṭup, and Jagatī—these are remembered as the sacred metres.