Sahaptin, or Ichishkíin Sínwit (literally, "this language"), is a Plateau Penutian language spoken in south-central Washington and northern Oregon. This dictionary documents the dialect of Sahaptin that is spoken by the Yakama people. Ichishkíin Sínwit Yakama / Yakima Sahaptin Dictionary is the first modern published dictionary of any Sahaptin dialect. The dictionary is divided into three sections: a Sahaptin-English section; an English-Sahaptin section; and a section listing roots used in the formation of Sahaptin words....