Which part of the Buddhist scriptures does the Therigata belong to?

Sutta Pitaka

The Therigata, a distinctive Buddhist text found within the Sutta Pitaka, comprises verses composed by bhikkhunis. This collection offers a window into the social and spiritual journey of women. The narrative introduces Punna, a dasi or slave woman, who regularly visited the river every morning to fetch water for her master's household. During her visits, she frequently observed a Brahmana engaging in his bathing rituals.