Usku, or Afra, is a nearly

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

and poorly documented

Papuan language The Papuan languages are the non-Austronesian languages spoken on the western Pacific island of New Guinea, as well as neighbouring islands in Indonesia, Solomon Islands, and East Timor. It is a strictly geographical grouping, and does not imply a ...

spoken by 20 or more people, mostly adults, in Usku village,

Senggi District Senggi District is a district in Keerom Regency, Papua, Indonesia. Villages As of 2018, Senggi consists of 7 administrative villages (''kampung'').Badan Pusat Statistik Kabupaten KeeromKecamatan Senggi Dalam Angka 2018 The indigenous Papuan la ...

Keerom Regency Keerom Regency is one of the regencies (''kabupaten'') in the Papua Province of Indonesia. It was formed from the eastern districts then within Jayapura Regency with effect from 12 November 2002. It covers an area of 9,365 km2, and had a po ...

, Papua,

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

. Wurm (1975) placed it as an independent branch of Trans–New Guinea, but Ross (2005) could not find enough evidence to classify it. Usher (2020) found that it was one of the

West Pauwasi languages West is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sun sets on the Earth. Etymology The word "west" is a Germanic word passed into some Romance langu ...

, though divergent from the other two branches of that family. Foley (2018) classifies Usku as a

language isolate A language isolate is a language that has no demonstrable genetic relationship with any other languages. Basque in Europe, Ainu and Burushaski in Asia, Sandawe in Africa, Haida and Zuni in North America, Kanoê in South America, and Tiwi ...

. An automated computational analysis (

ASJP The Automated Similarity Judgment Program (ASJP) is a collaborative project applying computational approaches to comparative linguistics using a database of word lists. The database is open access and consists of 40-item basic-vocabulary lists f ...

4) by Müller et al. (2013)Müller, André, Viveka Velupillai, Søren Wichmann, Cecil H. Brown, Eric W. Holman, Sebastian Sauppe, Pamela Brown, Harald Hammarström, Oleg Belyaev, Johann-Mattis List, Dik Bakker, Dmitri Egorov, Matthias Urban, Robert Mailhammer, Matthew S. Dryer, Evgenia Korovina, David Beck, Helen Geyer, Pattie Epps, Anthony Grant, and Pilar Valenzuela. 2013.
ASJP World Language Trees of Lexical Similarity: Version 4 (October 2013)
'. found lexical similarities between Usku and Kaure. However, since the analysis was automatically generated, the grouping could be either due to mutual lexical borrowing or genetic inheritance.

Basic vocabulary

Basic vocabulary of Usku from Im (2006), quoted by Foley (2018): : The following basic vocabulary words are from the Trans-New Guinea database: :

Morphology

Usku morphology as inferred by Foley (2018): *

dative In grammar, the dative case (abbreviated , or sometimes when it is a core argument) is a grammatical case used in some languages to indicate the recipient or beneficiary of an action, as in "", Latin for "Maria gave Jacob a drink". In this exampl ...

marker ''se'' *tense suffix ''-mu ~ -mo'' * allative

postposition Adpositions are a class of words used to express spatial or temporal relations (''in, under, towards, behind, ago'', etc.) or mark various semantic roles (''of, for''). The most common adpositions are prepositions (which precede their complemen ...

''se'' *

ablative In grammar, the ablative case (pronounced ; abbreviated ) is a grammatical case for nouns, pronouns, and adjectives in the grammars of various languages. It is used to indicate motion away from something, make comparisons, and serve various o ...

''e''

Sentences

Word order in Usku is SOV. Some of the few documented sentences in Usku are:

References

External links

Usku word list at TransNewGuinea.orgOLAC resources in and about the Usku language
{{Papuan languages Critically endangered languages Endangered languages of Oceania Languages of Western New Guinea West Pauwasi languages