वृत्तिः सूत्रविवृतिः ।vṛttiḥ sūtra-vivṛtiḥ |(Amṛta-ṭīkā on Hari-nāmāmṛta-vyākaraṇa: 155)“A vṛtti is a gloss of a sūtra.”CategoriesAmṛta-ṭīkā, Sūkti Sudhākara, Vyākaraṇa
