Tolkien's names

[Carol]

Carol earlier:
> 
> << Tolkien's names ... [a]re based on invented languages with a
solid foundation in linguistic principles. Sindarin is based on Welsh
and Quenya (Noldorin) on Finnish. (Icelandic comes into play
somewhere, but I can't remember.) >>

Catlady replied: 
> Icelandic for the Dwarves.
<snip>
> I didn't know it was called the Dvergatal. (Is that Dwar-gatalog?)
> 
> There are a lot of familiar names in it, such as Durin, Dvalin,
Dain, Bifur, Bofur, Bombur, Thrain, Thorin, and Thror, and how about
Gandalf? 
<snip>

Carol responds:

Thank you! My apologies for snipping your interesting and informative
post. I have only one thing to add, and that's the etymology of
Gandalf: Wand elf.

Carol, who was always more partial to the Elves, especially the
Sindar, than the Dwarves