The message on Chief Tumulth’s grave

Naika wawa masi kopa River Tumulth — I thank River Tumulth — for raising this in a comment at the Facebook “Chinook Jargon” group.

The grave of Chief Tumulth, whose descendants have been members of the Confederated Tribes of Grand Ronde in Oregon, bears a Chinuk Wawa inscription:

Image credit: “Descendants of Chief Tumulth

ANKUTTY TILLIKUM MUSEUM = ánqati tílixam músum = “(our) old-time friend is sleeping”.

Please click the links to know more.

íkta mayka chaku-kə́mtəks?
Ikta maika chako-kumtuks? 
What have you learned?
And, can you express it in Chinuk Wawa?