O son of kings, previously in the city of Videha there dwelled a prostitute named Piṅgalā. Now please hear what I have learned from that lady.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
पिङ्गला नाम वेश्याऽऽसीद्विदेहनगरे पुरा । तस्या मे शिक्षितं किञ्चिन्निबोध नृपनन्दन
piṅgalā nāma veśyā''sīdvidehanagare purā | tasyā me śikṣitaṃ kiñcinnibodha nṛpanandana
SB 11.8.22