IE a and o.

--- In cybalist@yahoogroups.com, Piotr Gasiorowski <gpiotr@...> wrote:

> The vocalism *a
> can be due to a fundamental *a (at least I think so), but such an *a
> does not alternate apophonically with *o.

I have seen and heard that statement many times, but what is it based
on?

Jens