It’s more specific than that, Adamah. It means red clay, the red clay of Israel. A ruddy complexion is reddish. So, there is some basis for the contention.
That’s correct.
As an aside, I am very Jewish, and while my family had a stop-over in France for a couple hundred years (and Rome before that), there was very little inter-marriage going on.
Dark red/brown curly hair.
My mom jokingingly claims dad is a descendant of Esau.