Tayap (also spelled Taiap; called Gapun in earlier literature, after the name of the village in which it is spoken) is an endangered Papuan language spoken by fewer than 50 people in Gapun village of Marienberg Rural LLG in East Sepik Province, Papua New Guinea (, located just to the south of the Sepik River mouth near the coast). It is being replaced by the national language and lingua franca Tok Pisin. History The first European to describe Tayap was , a German missionary-linguist, in 1937. Höltker spent three hours in the village and collected a word list of 125 words, which he published in 1938. He wrote that “it will be awhile before any other researcher ‘stumbles across’ Gapun, if only because of the small chances of worthwhile academic yields in this tiny village community, and also because of the inconvenient and arduous route leading to this linguistic island”. Höltker's list was all that was known about Tayap in literature until the early 1970s, when the Australian linguist Donald Laycock travelled around the lower Sepik to collect basic vocabulary lists that allowed him to identify and propose classifications of the many languages spoken there. Tayap and its speakers have been extensively studied by linguistic anthropologist Don Kulick since the mid-1980s. The language is described in detail in Tayap Grammar and Dictionary: The Life and Death of a Papuan Language and in A Death in the Rainforest: How a Language and a Way of Life Came to an End in Papua New Guinea. Until World War II, when Japanese soldiers occupied the area and caused the villagers to flee into the rainforest, Gapun was located on a hill that several thousand years earlier had been an island in the sea that receded and formed the lower Sepik River. This indicates that Tayap may be the descendant of an ancient, autochthonous language that was already in place before the various waves of migration from the inland to the coast began occurring thousands of years ago. Foley (2018) also speculates that Tayap could have been part of a larger language family that was spoken on the island before the arrival of Lower Sepik speakers. As the coastline moved further northeast, Lower Sepik speakers migrated from the foothills into the new land areas created by the receding waters. Sociolinguistics Up to 2018, Gapun was the only village where Tayap is spoken, although some