Re: *a/*a: ablaut

From: fournet.arnaud
Message: 52833
Date: 2008-02-12

> As far as I can see, *e:-roots are secondary (*e:/*e ablaut is found
> in roots which also display the normal *e/*o/zero alternations). I
> don't thing the evidence for fundamental (non-apophonic and
> non-laryngeal) *o is conclusive. It's therefore possible that all
> *o's, both short and long, are derived in PIE.

What about words like sacer-dos
where dhoH1 "doer" is primary -o-
or phôs "light" < *bhoH2-
monosyllabic word with nothing to influence
the vowel.
or pot-(ere) "to be able"