Sîr Angren

From Tolkien Gateway

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

Etymology[edit]

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

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

References