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Sîr Angren

Sîr Angren was the older, Sindarin name for the river better known by the name the Rohirrim gave it - the Isen.[1]

[edit] Etymology

angren in Sindarin, like Isen means "iron (adj)". Sîr Angren means "iron river".

Compare S. Angrenost and R. Isengard, both meaning Iron fortress.


  1. J.R.R. Tolkien, Christopher Tolkien (ed.), Unfinished Tales, "Aldarion and Erendis: The Mariner's Wife", note 6