Garudapurana 1.211.3

1.211.3

dvitīye 'ṣṭākṣaraiḥ pāde kalikā prathamer'kaje /
lavalī syāttṛtīye 'tha pūrvavaccāṣṭa kākṣare /
proktā cāmṛtadhāreyaṃ caturaṣṭākṣare sati //

Kalikā has eight syllables in the second quarter, when the first is twelve; / Lavalī has [twelve syllables] in the third, and as before eight syllables; / and this Amṛtadhārā is declared when there are four sets of eight syllables.