buzundush was the Khuzdul name for the Blackroot, but the name of the river was changed to Silverlode.
A possible analysis is *bâzan "root" and *dush "black".
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), The Treason of Isengard, p.167
- ↑ http://www.forodrim.org/daeron/md_khuzdul.html