Thēthi

Thēthi, also known as Thēth, Thethiya, Thenthi, or Thati, is a Maithili dialect, mainly spoken in the Mithila region of India and Nepal.^[1][2] It is spoken mainly in Kosi, Purnia and Munger divisions of Bihar, India and in Koshi Province of Nepal.^[3] It has 165,000 speakers in India according to the 2011 census.^[4]

Thēthi
ठेठी मैथिली • Thethi Maithili
The name of Thēthi written in Tirhuta
Native to	India, Nepal
Region	Mithila
Ethnicity	Maithils
Native speakers	1,65,420
Language family	Indo-European Indo-Iranian Indo-Aryan Eastern Bihari Maithili Thēthi
Language codes
ISO 639-3	–
Glottolog	tati1242  Tati (Maithili)