From: tgpedersen
Message: 44113
Date: 2006-04-04
> full vowels i, u, a,Cf with "Schwebeablaut"
> >
> > in three grades:
> >
> > originally
> > 1 stressed ey, ow, e
> > 2 unstressed i, u, schwa
> > 3 re-stressed ey, ow, o
> >
> > later systematised
> > (on the basis of the reflexes of *a)
> > in some IE dialects as
> > 1 stressed ey, ew, e
> > 2 unstressed i, u, schwa
> > 3 re-stressed oy, ow, o
>
> The problem with deriving *i > *ey, *u > *ow etc instead of the
> traditional plot is that one will have to claim also *i > *ye, *u
> > *wo etc. Perhaps the latter happened only in initial position?