परावृत्तानुकरणात् परावृत्तमिहोच्यते । तत् स्यान्मुखापहरणे पृष्ठतः प्रेक्षणादिषु ॥ ३३॥
Parāvṛtta: When the face is turned round, the Parāvṛtta head is the result. (Uses): It is to be used in turning away the face and looking back and the like.
english translation