ahu
/ˈahuː/noun
In Eastern Polynesia: a raised platform or mound; especially a platform of earth or stone used as a memorial or (as on Easter Island) as a support for stone statues.
Origin
Early 20th century. From an Eastern Polynesian language; compare e.g. Tahitian ahu, Maori ahu, Hawaiian ahu, Rapa Nui ahu.