Kaithi (𑂍𑂶𑂟𑂲, IPA: [kəɪ̯t̪ʰiː]), also called Kayathi (𑂍𑂨𑂟𑂲), Kayasthi (𑂍𑂰𑂨𑂮𑂹𑂟𑂲, IPA: [kəjəst̪ʰiː]), or Kayastani, is a Brahmic script historically used across parts of Northern and Eastern India. It was prevalent in regions corresponding to modern-day Uttar Pradesh, Bihar, and Jharkhand. The script was primarily utilized for legal, administrative, and private records and was adapted for a variety of Indo-Aryan languages, including Angika, Awadhi, Bhojpuri, Hindustani, Maithili, Magahi, and Nagpuri.