Melanesian

For instance, Denisovan DNA accounts for about 2 to 4 percent of Melanesian people’s genome.
Fossils and ancient DNA paint a vibrant picture of human origins|Erin Wayman|September 15, 2021|Science News
In the Melanesian myth, dawn is cut out of the body of night by Qat, armed with a knife of red obsidian.
Myth, Ritual, and Religion, Vol. 1|Andrew Lang
Only three Melanesian words in the list appear to have been adopted by the Papuans.
The Mafulu|Robert W. Williamson
They are believed to have Papuan or Papuo-Melanesian blood in their veins.
The Mafulu|Robert W. Williamson

Separate groups of buildings, which once were filled with lads from different Melanesian isles—farm buildings, barns, &c.
Life of John Coleridge Patteson|Charlotte M. Yonge
Finally, retaining only the north part of the northern island, to take the Melanesian Bishopric.
Life of John Coleridge Patteson|Charlotte M. Yonge

British Dictionary definitions for Melanesian

Melanesian

/ (ˌmɛləˈniːzɪən) /

adjective

of or relating to Melanesia, its people, or their languages

noun

a native or inhabitant of Melanesia: generally Negroid with frizzy hair and small stature

a group or branch of languages spoken in Melanesia, belonging to the Malayo-Polynesian family