siscowet

[sis-kuh-wet] /ˈsɪs kəˌwɛt/
noun
1.
a variety of lake trout, Salvelinus namaycush siscowet, inhabiting the deeper waters of Lake Superior.
Origin
1840-50, Americanism; shortening of Ojibwa pe·mite·wiskawe·t fish with oily flesh (derivative of pimite·w- oil + -iskawe· (of fish) to have flesh (of the specified type), or derivative of another word with the same final element)