दिक्पालादि-शिवलोकान्तर-कथनम्
Account of the Dikpālas and Intervening Realms toward Śiva’s Worlds
साक्षाच्च वारुणी देवी तत्र नौकाधिनायिका / यां सुधामालिनीमाहुर्यामा हुरमृतेश्वरीम्
sākṣācca vāruṇī devī tatra naukādhināyikā / yāṃ sudhāmālinīmāhuryāmā huramṛteśvarīm
There, manifest in person, is the goddess Vāruṇī, the mistress who commands the boat. She is called Sudhāmālinī, and also Yāmā, the sovereign lady of amṛta, the nectar of immortality.