Re: PIE for rainbow?

Word Vaivorykshte means rainbow in Lithuanian. This word is made from name Vaiva and word RYKSTE, meaning SCOURGE. The meaning of name Vaiva is unknown. Maybe that is the name of some indoeuropean goddess? I think that name can be Thracian.

--- In cybalist@yahoogroups.com, "Joao S. Lopes" <josimo70@...> wrote:
>
> Is there any PIE word for "rainbow" ? Any common mythological trait for PIE
> religion? In Scandinavia, Bifro¨st was the bridge between Midgard and Asgard; in
> India was the bow of Indra; in Greece, Iris was the messenger of goddess Hera.
>
> JS Lopes
>