Query about slang "scootch"-- Why -ch?

[Douglas G. Wilson]

>Related, maybe, to "skosh" (long o, I don't know how to write it in
>ASCII), Wisconsinese for a small amount?

I would suppose (I don't have evidence) that "skosh" is more West-Coastish
if it's regional at all.

I had the same notion but I don't know whether it holds any water or not:

http://listserv.linguistlist.org/cgi-bin/wa?A2=ind0408D&L=ads-l&P=R2

-- Doug Wilson