Meaning of sewellel in English:

sewellel

Pronunciation /sɪˈwɛləl/

noun

another term for mountain beaver
  • ‘The living rodent with the most archaic characters, most like the common ancestor of the Rodentia, is the sewellel or mountain beaver (which is not a true beaver at all) of the northwestern United States.’

Origin

Early 19th century from Chinook Jargon šwalál ‘robe of mountain-beaver skin’.