From Tolkien Gateway

chwind, alternatively whinn, are Sindarin words meaning "birch" (the Quenya equivalent was hwinde). The words were used in an 'ordinary non-mythological' sense, in contrast to the word brethil.[1]


  1. 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), p. 23