Sindarin 

ossir

place name. Seven-rivers

A shorter form of the name Ossiriand glossed “Seven-rivers” (LotR/469), a reduction of primitive otoso “seven” combined with sîr “river” (RC/384).

Sindarin [LotR/0469; LotRI/Ossir; RC/384; WJI/Ossir] Group: Eldamo. Published by