[tied] Re: PIE 'brow'

--- In cybalist@yahoogroups.com, "Sergejus Tarasovas"
<S.Tarasovas@...> wrote:

> > From: Sergejus Tarasovas [mailto:S.Tarasovas@...]
>
> > Russ. <bróvka> 'edge'
> > (Sl. *brovUka <- *bry 'eyebrow', G. *brUve)
>
> Sl. *brUvUka
>
> Sergei

Thanks, but I understand in my self that it's suffix of diminutive,
but could you explain why u in brUv-, but not o?