Re: [tied] Re: sum

tgpedersen wrote:

> 'Best', why, except by your preference?

Simplest. Happens just one, and the mechanism is transparent. Hence my
preference.

> By Jens' rule, whatever its phonological cause, that -e- is
> preferred before unvoiced sound.

But Jens'r rule is pre-PIE, not post-PIE.

Piotr