Re: [tied] Re: Non-correspondence of voiceless stops in several IE

gprosti wrote:

> I'm not sure that the *p_kW > *kW_kW rule applied universally in
> Celtic: the the placename "Hercynia" may show an early Celtic
> reflex of *perkWu-, with <h-> from *p-.

Yes, but since it's the only exception, it seems to be due to the loss
of distinctive labialisation before *u, i.e. *perkWu- > *perku- >
*(h)erku-. If in pre-Celtic the delabialisation preceded the
assimilation, <Hercynia> is regular.

Piotr