Anandakanda 1.2.17

1.2.17

bahule yā puṣpavatī pakṣe sā kākinī smṛtā /
svasvavarṇasadbhūtā grāhyā vāpyanyavarṇajā //

she who menstruates during the dark fortnight is known as a kākinī. / She may be taken from one's own caste or born of another caste,