Natyashastra
तिर्यक्प्रसारितौ चैव पार्श्वसंस्थौ तथैव च । लताख्यौ च करौ ज्ञेयौ नृत्ताभिनयनं प्रति ॥ १९९॥
Latā—the two hands to be obliquely stretched sideways.
english translation
tiryakprasAritau caiva pArzvasaMsthau tathaiva ca । latAkhyau ca karau jJeyau nRttAbhinayanaM prati ॥ 199॥
hk transliteration by Sanscript