Re: Timing of ablaut

--- In cybalist@yahoogroups.com, Jens Elmegaard Rasmussen <jer@...>
wrote:

>
> . . . Trouble is we do not know what comes out of *palatalized
> /k/* + added sibilant in Indo-Iranian. Therefore, Skt. -ks.-
> and Av. -s^- could conceivably reflect an already-IIr cluster
> *-c^s-, . . .

Don't we know that *šš came out of *k^s in Indo-Iranian?
In Indo-Aryan *k^s/k^t > *c^s^/c^t > *šš/št > *s.s./s.t.

> *t.s./s.t. > t.s.-t.s.-t./s.t.-s.t.-s. > ks.-ks.-t./

s.t.-s.t.-s. In Iranian *k^s/k^t > c^s^/c^t > *šš/št >
*š/št. So *šš explains all of the outcomes.

David