大毘盧遮那成佛經疏 14.37

14.37

次舒左手覆掩口，以舌觸掌，即荼吉尼印也。頡𭌆字，離因無垢，上有三昧，傍點示忿也。訶是因義，上有點亦忿也。此等為首者，如上所說諸印，乃至荼吉尼為後，若廣窮部類眷屬則種類無邊，如大本十萬偈中所辨。今此品所說，乃是略舉其上首，如提綱舉目，眾綱目皆舉耳。

Next, extend the left hand to cover the mouth and touch the palm with the tongue; this is the mudrā of the ḍākinīs. The syllable "hrīḥ" means free from cause and stainless; above it is samādhi, and the side visarga indicates wrath. "Ha" signifies cause; the dot above also signifies wrath. As for those having these as their heads: the various mudrās described above down to the ḍākinīs are at the end; if one were to extensively exhaust the classes and retinue, the varieties would be limitless, as distinguished in the great root text of one hundred thousand gāthās. What is spoken now in this chapter merely brings forward the leaders, just as when one lifts the main cord of a net, all the meshes are raised.