rubaboo
/rʌbəˈbuː/(also rababoo, rubbaboo, rubeiboo) North American. Now historical
noun
A kind of soup or broth made from pemmican.
Origin
Early 19th century. Apparently from Canadian French rababou from Ojibwa regional (Saulteaux) waabaabo, lit. ‘white broth’, with change of initial consonant probably partly by association with French ratatouille.