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Shapwailutan

noun
Shap·wai·lu·tan | \ ˌshapˌwīˈlütᵊn \

Definition of Shapwailutan 

: a language stock of Washington, Oregon, and Idaho comprising Shahaptian, Waiilatpuan, and Lutuamian

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History and Etymology for Shapwailutan

shahaptian + waiilatpuan + lutuamian + -an

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