The story
Borrowed from Chinook Jargon, from soop (“soap”) (from English) + olallie, ollalie (“berry”) (from a Kwak'wala or Chinook word for berries). Compare soapberry.
Etymology from Wiktionary, CC BY-SA 4.0.
soopolallie
Today it means: A variety of deciduous shrub (Shepherdia canadensis), the Canadian buffaloberry, the red fruit/berries of which may be used in the production of a frothy, aromatic drink. Full definition →