From: etherman23
Message: 39742
Date: 2005-08-24
> Torsten:How does *sa: arise? Certainly not from **soH2.
> > The deictic particles *so and *to have /o/ instead
> > of /e/, like nice particles should. Maybe that's
> > because the /o/'s are re-stressed ablaut vowels?
>
> Or rather, *o is (by way of Vowel Shift) from *a.
> Hence earlier *sa and *ta(t) when stressed. Only *&
> ends up alternating between *e and *o after Schwa
> Diffusion and Merger so we don't find **se and **te-.