Phoebe bootanica (Meisn.) M.Gangop., Nelumbo 53: 215 (2011) (syn: Machilus bootanicus Meisn.; Persea bootanica (Meisn.) Kosterm.; Phoebe assamica Kalyankumar ; Phoebe cooperiana P.C.Kanjilal & Das ; Phoebe goalparensis Hutch. ; Phoebe hainesiana Brandis);
.
Central Himalaya to Assam: Assam, East Himalaya, Nepal as per POWO;
.

130426AS2: Kind identification of the vegetable plant species of Arunachal Pradesh: 1 image.
Segregating from the thread.
Google says:
In Arunachal Pradesh, Tapir (or Tapil) refers to the fruit of Phoebe cooperiana (family Lauraceae), a tall, indigenous timber tree found in the tropical forests of the region. It is a traditional wild edible and a popular wild food plant among various communities, particularly the Adi tribe.
In Arunachal Pradesh, Tapir (or Tapil) refers to the fruit of Phoebe cooperiana (family Lauraceae), a tall, indigenous timber tree found in the tropical forests of the region. It is a traditional wild edible and a popular wild food plant among various communities, particularly the Adi tribe.
Appears soemwhat close to images of this species as per
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77130376-1
https://www.gbif.org/species/7715420
https://www.researchgate.net/publication/360121177_Ecology_and_Conservation_status_of_Phoebe_hainesiana_Brandis_a_data_deficit_but_commercially_significant_timber_species_of_Indo-Myanmar_biodiversity_hotspot_in_India
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77130376-1
https://www.gbif.org/species/7715420
https://www.researchgate.net/publication/360121177_Ecology_and_Conservation_status_of_Phoebe_hainesiana_Brandis_a_data_deficit_but_commercially_significant_timber_species_of_Indo-Myanmar_biodiversity_hotspot_in_India
.
References:
POWO
https://www.gbif.org/species/7715420
https://www.researchgate.net/publication/360121177_Ecology_and_Conservation_status_of_Phoebe_hainesiana_Brandis_a_data_deficit_but_commercially_significant_timber_species_of_Indo-Myanmar_biodiversity_hotspot_in_India