[ExI] rain "bow" was RE: Brains grow and shrink like 'rainbows' as we age

[BillK]

On Tue, Sep 23, 2014 at 5:27 PM, spike wrote:
> Furthermore, why do we call it a rainbow?  You never saw one shaped like a
> bow, did ya?  Granted it would be way cool if you did.  You know what you
> would be saying:  That's it, no more drugs, gotta stop forthwith, this is
> just too crazy, etc.
>
> So why don't we call it a rain arc, or a rain parabola, or perhaps a rain
> y=-x^2 or something?
>


That's exactly what they did! :)

The word comes from from Proto-Germanic *regnabugô ("rainbow"),
equivalent to rain + bow ("arch").
'bow' originally meant any curved shape. like an arch or early simple bows.

BillK