ombú
/ɒmˈbuː/(also ombu, ombù)
noun
A large evergreen tree, Phytolacca dioica (family Phytolaccaceae), having a thick trunk with spreading buttresses at its base, native to South America and planted elsewhere as a shade tree. Also ombú tree.
Origin
Mid 19th century; earliest use found in Charles Darwin (1809–1882), naturalist, geologist, and originator of the theory of natural selection. From American Spanish ombú from Guarani umbú.