Re: *kW- "?"

That is

> Trad. PIE *k^ (me: consisting of allophones k/c^) -> Luwian z
> foreign *k -> Luwian k
> Trad. PIE *kW (me: consisting of allophones kW/k) -> Luwian kw
>

In this case, the presence of the loaned non-allophonic phoneme *k made
Luwian regularise c^ for k/c^ and kw for kW/k, where satem languages
chose c^ and k, kentum ones k and kW.


Torsten