nan (Sindarin noun)
From Tolkien Gateway
Nan is a Noldorin (or perhaps Doriathrin) word glossed as "land at foot of hills with many streams", Noldorin nand, nann is glossed as "wide grassland", and Doriathrin nand is glossed as "field, valley".
- J.R.R. Tolkien; Humphrey Carpenter, Christopher Tolkien (eds.), The Letters of J.R.R. Tolkien, Letter 230, (dated 8 June 1961), p. 308
- J.R.R. Tolkien, "Words, Phrases and Passages in Various Tongues in The Lord of the Rings", in Parma Eldalamberon XVII (edited by Christopher Gilson), pp. 37, 83
- J.R.R. Tolkien, "Addenda and Corrigenda to the Etymologies — Part One" (edited by Carl F. Hostetter and Patrick H. Wynne), in Vinyar Tengwar, Number 45, November 2003, p. 36
- J.R.R. Tolkien, Christopher Tolkien (ed.), The Lost Road and Other Writings, Part Three: "The Etymologies", p. 374