Natyashastra
प्रसार्य बाहुमेकैकं मुहुर्बारिविकर्षणैः । तिर्यक् प्रसारिता चैव हियमाणा च वारिणा ॥ १०१॥
Stretching out each arm alternately, repeatedly moving them with a sideways spreading motion, as if pushing against the flowing water.
english translation
prasArya bAhumekaikaM muhurbArivikarSaNaiH । tiryak prasAritA caiva hiyamANA ca vAriNA ॥ 101॥
hk transliteration by Sanscript