Natyashastra
तत्र द्व्यन्तं तु सप्ताङ्गं त्र्यन्तं द्वादशकं तथा । पादः सन्धिर्माषघातोषजं(सज्जं) सम्पिष्टकं तथा ॥ १९४॥
In that, the seven-limbed Oveṇaka ends in two Pādas, and the twelve-limbed one in three. The limbs are Pāda, Sandhi, Māṣaghāta, Saṃpiṣṭaka, properly arranged.
english translation
tatra dvyantaM tu saptAGgaM tryantaM dvAdazakaM tathA । pAdaH sandhirmASaghAtoSajaM(sajjaM) sampiSTakaM tathA ॥ 194॥
hk transliteration by Sanscript