Natyashastra
गजदन्तोऽवहित्थश्च वर्धमानस्तथैव च । एते तु संयुता हस्ता मया प्रोक्तास्त्रयोदश ॥ १०॥
Gajadanta, Avahittha, and Vardhamāna—these thirteen have been described by me as combined hand gestures.
english translation
gajadanto'vahitthazca vardhamAnastathaiva ca । ete tu saMyutA hastA mayA proktAstrayodaza ॥ 10॥
hk transliteration by Sanscript