BBC - h2g2 - The Original Marmalade

They cite the Oxford English Dictionary, and trace the word back to Portuguese and French meaning quince conserve "marmelada." They also debunk and refute the myth that the word "marmalade" has anything to do with Mary Queen of Scots.

Please don't take my word for it, and look at the link.

In other news, I have several air layers of sour orange trees, now having been severed from their parent tree, adjusting to being trees on their own... and all over my house in plastic bag humidity chambers. There's some Flying Dragons too.

I've gotten two of them back out side in the shade so far, and they're doing fine.