From the Kalapuya word Wallamt, meaning Spillwater. In all likelihood, this was in reference to the Willamette Falls which the Willamette River spills over. It's a common refrain in Oregon that the word Willamette comes from a Native American word meaning "Land of Sickness and Death" but that's 100% false.
Williamette is a university. If the word you're looking for is Willamette, it is a river that is around 290 miles long. It is located in western Oregon.
Willamette University was created in 1842.
Willamette Bridge was created in 1968.
Willamette Bridge ended in 1971.
Willamette Industries ended in 2002.
Willamette Industries was created in 1906.
The motto of Willamette University is 'Latin'.
Willamette Park was created in 1929.
Willamette Collegian was created in 1875.
Willamette University is located in the state of Oregon.
Willamette Week was created in 1974-11.