Natyashastra
एकपादप्रचारो यः सा चारीत्यभिसंज्ञिता । द्विपादक्रमणं यत्तु करणं नाम तद्भवेत् ॥ ३॥
Cārī: The movement ॥ mainly॥ with a single foot, is called the Cārī. Karaṇa: The two feet moving ॥ together॥ is called the Karaṇa.
english translation
ekapAdapracAro yaH sA cArItyabhisaMjJitA । dvipAdakramaNaM yattu karaNaM nAma tadbhavet ॥ 3॥
hk transliteration by Sanscript