Markandeyapurana 23.72

23.72

piṇḍañca madhyamaṃ tadvadyathāvadupabhuktavān /
tañcāpi dhyāyaḥ kāmaṃ tataḥ sā tanumadhyamā //

Having heard this, both then adored Śiva, and returned, full of contentment, to Rasātala. And so the Nāga, Kambala’s younger brother, performed the śrāddha, and also duly ate the middle piṇḍa; and, while he pondered on that his desire, the slender-waisted lady was produced[24] at once, in the selfsame form, out of his breathing middle hood. And the Nāga told that to no one: he kept her, the lovely-teethed one, concealed by his women in the inner apartments.