Vamśānukramaṇikā: Varuṇa–Kali Descendants and the Naiṛta Grahas
Genealogical Catalogue
अदृश्यां सर्वभूतानां तेजसा नियमेन च / अश्वरूपेण मार्त्तण्डस्तां मुखे समभावयत्
adṛśyāṃ sarvabhūtānāṃ tejasā niyamena ca / aśvarūpeṇa mārttaṇḍastāṃ mukhe samabhāvayat
She, unseen by all beings and veiled by tejas and restraint—Mārtaṇḍa, taking the form of a horse, placed her at the mouth with even-minded composure.