a > e in Winnebago

[Koontz John E]

On Tue, 17 Jun 2003, Rory M Larson wrote:
> > And re the Hochunk forms, don't forget that *-a  >  -e
> > after velars in final position, e.g., Proto-Siouan
> > *ru:tka 'dove, pigeon', WI ruucge' and other similar
> > forms.
>
> So how does that affect the ablaut issue?

I'm not aware that it does, though in principle it might suppress ablaut
in final *-C[+velar](a) stems.  It does result in various *-a## being lost
when -e## is lost, and in unexpected e after -k (etc.) as in ruucge.