Sangtam language

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Native toNagaland, India
RegionEast-central Nagaland, Tuensang and Khiphire districts
Native speakers
76,000 (2011 census)[1]
Language codes
ISO 639-3nsa

Sangtam, also called Thukumi, Isachanure, or Lophomi, is a Naga language spoken in northeast India. It is spoken in Kiphire District and in the Longkhim-Chare circle in Tuensang district, Nagaland, India.


Ethnologue lists the following dialects of Sangtam.

  • Kizare
  • Pirr (Northern Sangtam)
  • Phelongre
  • Thukumi (Central Sangtam)
  • Photsimi
  • Purr (Southern Sangtam)

The standardized dialect of Sangtam is based on the Tsadanger village speech variety.


Sangtam is unusual in having two stops with bilabial trilled release, /t̪͡ʙ, t̪͡ʙ̥ʰ/.[3]

Consonant phonemes of Sangtam
Labial Labiodental Dental Alveolar Retroflex Postalveolar Palatal Velar Glottal
Nasal m n ɲ ŋ
Plosive plain p ʈ c k ʔ
aspirated t̪ʰ ʈʰ
Affricate plain t͡ʙ̥ t͡s t͡ʃ
aspirated t͡ʙ̥ʰ t͡sʰ t͡ʃʰ
Fricative voiceless (f) s ʃ x h
voiced (v) (z)
Approximant l ɹ j

All phonemes with /t/ are dental

/ʈ/ is realised like /ʈʵ/

Front Back
Close i u
Close-mid e o
a ʌ

All vowels can have high, mid, or low tone


  1. ^ "Statement 1: Abstract of speakers' strength of languages and mother tongues - 2011". Office of the Registrar General & Census Commissioner, India. Retrieved 7 July 2018.
  2. ^ Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Sangtam Naga". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.
  3. ^ Coupe (2015) "Prestopped bilabial trills in Sangtam", Proceedings of the 18th International Congress of Phonetic Sciences, Glasgow, 10–14 August 2015