Re: Fate of Conventional PIE's Relatives (was: Stacking up on standa

--- In cybalist@yahoogroups.com, "Richard Wordingham"
<richard.wordingham@...> wrote:

>
> > And finally, one of these paleo-dialects
> > underwent a rapid expansion in the Chalcolithic and the Bronze Age,
> > becoming a superstrate to the other varieties.
>
> What sort of evidence persuades you that it was a superstrate, rather

than the other varieties becoming substrates?

>

If a variety A is a superstrate of another variety B, then B is a
substrate of A, or perhaps I'm mistaken?