Anandakanda 1.4.24

1.4.24

prasveditaṃ sūtarājaṃ tataḥ saṃmardayet priye /
<mardanam>
athāto mardanaṃ karma vakṣyāmi śṛṇu bhairavi //

Then, one should grind the steamed king of quicksilver, my dear. / <Grinding>
Now, therefore, I will explain the operation of grinding; listen, O Bhairavī.