SHETLAND LIVE

I'm certain I've heard a Shetland word for "Rainbow", but I'm damned if I can remember what it was.
Any ideas????

Cheers,
Da Auld Een

Ive heard da word fir a rainbow , bit lik de, I cana mind it. bit Ill no sleep till It comes ta me, bit can do tell me whit simmet means. thanks
Dorothy

Does any of these ressemble that word - ganfer, sea-gol, muinadrag, skafer.