Gabilān
From Tolkien Gateway
Gabilân is the Khuzdul name for the river Sirion.
It probably means "Great River"
Etymology
The word contains the word gabil. *ân is perhaps a word meaning "river" or just an ending[1]
References
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), The War of the Jewels, p. 336