From: tgpedersen
Message: 52602
Date: 2008-02-10
>Zero grade of the PIE ablaut vowel < PPIE *a; e-grade in *pet-.
>
> > It's also unclear whether zero or °
> > is always from *a or from any other vowel.
> Arnaud
> ============
> Not. Zero degree of the two other vowels are *i and *u, not zero.
>
> Torsten
> =======
>
> What is the vowel in pt-eron ?
> from root *p_t (or *pet if you prefer)
>
> I see zero vowel.
> What do you see ?