niopo
/niːˈəʊpəʊ/(also ñopa, ñopo, ñupa)
noun
A hallucinogenic snuff used by certain South American Indian peoples, prepared from the seeds of the tree Anadenanthera peregrina (family Mimosaceae (Leguminosae)) and related species.
Origin
Early 19th century; earliest use found in Helen Maria Williams (1761–1827), writer. From Otamaco niopo.