Sepik languages

SepikMiddle SepikSepik HillUpper SepikSanioLeon[h]ard SchultzeLeonhard Schultze (Walio–Papi)Sepik familySepik RiverWalio–Papi
The Sepik languages are a family of some 50 Papuan languages spoken in the Sepik river basin of northern Papua New Guinea, proposed by Donald Laycock in 1965 in a somewhat more limited form than presented here.wikipedia
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Sepik

Sepik RiverSepik artKaiserin-Augusta River
The Sepik languages are a family of some 50 Papuan languages spoken in the Sepik river basin of northern Papua New Guinea, proposed by Donald Laycock in 1965 in a somewhat more limited form than presented here.
From the headwaters to the mouth, the river flows through at least 12 different Sepik languages, each corresponding to one or more culture regions of related villages that exhibit similar social characteristics.

Papuan languages

Papuan languagePapuanNew Guinea
The Sepik languages are a family of some 50 Papuan languages spoken in the Sepik river basin of northern Papua New Guinea, proposed by Donald Laycock in 1965 in a somewhat more limited form than presented here.
Middle Sepik (incl. Ndu and maybe Sepik Hill)

Ndu languages

NduNdu language family
The most populous are Iatmül's fellow Ndu languages Abelam and Boiken, with about 35 000 speakers apiece.
The Ndu languages are the best known family of the Sepik languages of northern Papua New Guinea.

Donald Laycock

Don LaycockLaycockLaycock, Donald
The Sepik languages are a family of some 50 Papuan languages spoken in the Sepik river basin of northern Papua New Guinea, proposed by Donald Laycock in 1965 in a somewhat more limited form than presented here.
While more recent work by William A. Foley and Malcolm Ross has cast doubt on a link between the Ramu – Lower Sepik languages and the Sepik languages, the "Sepik subphylum" seems established as a genuine group.

Sepik–Ramu languages

Sepik–RamuNorthSepik Ramu
The Sepik languages consist of two branches of Kandru's Laycock's Sepik–Ramu proposal, the Sepik subphylum and Leonhard Schultze stock.
The Sepik–Ramu languages are a hypothetical language family of New Guinea linking the Sepik, Ramu, Nor–Pondo (Lower Sepik), Leonhard Schultze (Walio–Papi) and Yuat families, together with the Taiap language isolate, and proposed by Donald Laycock in 1973.

Torricelli languages

Torricelli languageTorricelliWapei
According to Malcolm Ross, the most promising external relationship is not with Ramu, pace Laycock, but with the Torricelli family.
The most promising external relationship for the Torricelli family is the Sepik languages.

Iatmül language

IatmülIatmulian
The best known Sepik language is Iatmül.

Vowel

vowelsvowel heightV
The Sepik languages, like their Ramu neighbors, appear to have three-vowel systems, that distinguish only vowel height.
Nearly all languages have at least three phonemic vowels, usually as in Classical Arabic and Inuktitut, though Adyghe and many Sepik languages have a vertical vowel system of.

Abelam language

AbelamabtTheir language
The most populous are Iatmül's fellow Ndu languages Abelam and Boiken, with about 35 000 speakers apiece.

Boiken language

Boikenbzf
The most populous are Iatmül's fellow Ndu languages Abelam and Boiken, with about 35 000 speakers apiece.

Language family

language familiesfamilylanguage group
The Sepik languages are a family of some 50 Papuan languages spoken in the Sepik river basin of northern Papua New Guinea, proposed by Donald Laycock in 1965 in a somewhat more limited form than presented here.

Papua New Guinea

🇵🇬PNGNew Guinea
The Sepik languages are a family of some 50 Papuan languages spoken in the Sepik river basin of northern Papua New Guinea, proposed by Donald Laycock in 1965 in a somewhat more limited form than presented here.

Ramu–Lower Sepik languages

Ramu–Lower SepikRamu – Lower SepikLower Sepik-Ramu
The Sepik languages, like their Ramu neighbors, appear to have three-vowel systems, that distinguish only vowel height.

Assimilation (phonology)

assimilationassimilatedassimilates
Phonetic [i e o u] are a result of palatal and labial assimilation to adjacent consonants.

Epenthesis

epentheticepenthetic vowelsvarabhakti
It is suspected that the Ndu languages may reduce this to a two-vowel system, with epenthetic (Foley 1986).

Malcolm Ross (linguist)

Malcolm RossRossRoss, Malcolm
According to Malcolm Ross, the most promising external relationship is not with Ramu, pace Laycock, but with the Torricelli family.

Ramu languages

RamuRamu languageLower Ramu
They were identified as a family by John Z'graggen in 1971, and linked with the Sepik languages by Donald Laycock two years later.

Yerakai language

Yerakaiyra
Yerakai (Yerekai) is a Sepik language spoken in Sandaun Province, Papua-New Guinea.

Suarmin language

DuranminseoSuarmin
Suarmin, or Asabano, is a Sepik language spoken in Sandaun Province, Papua-New Guinea.

Kwanga language

Kwangakwj
Kwanga (Gawanga) is a Sepik language spoken in Papua New Guinea.

Papi language

Papippe
Papi (Paupe) is an alleged Sepik language spoken in Sandaun Province, Papua New Guinea.

Namia language

Namiannm
Namia (Namie, Nemia) is a Sepik language spoken in Sandaun Province, Papua-New Guinea.